19751340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 68640768

約数和(自身を除く): 48889428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 37, 41, 42, 60, 62, 70, 74, 82, 84, 93, 105, 111, 123, 124, 140, 148, 155, 164, 185, 186, 205, 210, 217, 222, 246, 259, 287, 310, 370, 372, 410, 420, 434, 444, 465, 492, 518, 555, 574, 615, 620, 651, 740, 777, 820, 861, 868, 930, 1036, 1085, 1110, 1147, 1148, 1230, 1271, 1295, 1302, 1435, 1517, 1554, 1722, 1860, 2170, 2220, 2294, 2460, 2542, 2590, 2604, 2870, 3034, 3108, 3255, 3441, 3444, 3813, 3885, 4305, 4340, 4551, 4588, 5084, 5180, 5735, 5740, 6068, 6355, 6510, 6882, 7585, 7626, 7770, 8029, 8610, 8897, 9102, 10619, 11470, 12710, 13020, 13764, 15170, 15252, 15540, 16058, 17205, 17220, 17794, 18204, 19065, 21238, 22755, 22940, 24087, 25420, 26691, 30340, 31857, 32116, 34410, 35588, 38130, 40145, 42476, 44485, 45510, 47027, 48174, 53095, 53382, 63714, 68820, 76260, 80290, 88970, 91020, 94054, 96348, 106190, 106764, 120435, 127428, 133455, 141081, 159285, 160580, 177940, 188108, 212380, 235135, 240870, 266910, 282162, 318570, 329189, 470270, 481740, 533820, 564324, 637140, 658378, 705405, 940540, 987567, 1316756, 1410810, 1645945, 1975134, 2821620, 3291890, 3950268, 4937835, 6583780, 9875670, 19751340]

約数ペア:

[(1, 19751340), (2, 9875670), (3, 6583780), (4, 4937835), (5, 3950268), (6, 3291890), (7, 2821620), (10, 1975134), (12, 1645945), (14, 1410810), (15, 1316756), (20, 987567), (21, 940540), (28, 705405), (30, 658378), (31, 637140), (35, 564324), (37, 533820), (41, 481740), (42, 470270), (60, 329189), (62, 318570), (70, 282162), (74, 266910), (82, 240870), (84, 235135), (93, 212380), (105, 188108), (111, 177940), (123, 160580), (124, 159285), (140, 141081), (148, 133455), (155, 127428), (164, 120435), (185, 106764), (186, 106190), (205, 96348), (210, 94054), (217, 91020), (222, 88970), (246, 80290), (259, 76260), (287, 68820), (310, 63714), (370, 53382), (372, 53095), (410, 48174), (420, 47027), (434, 45510), (444, 44485), (465, 42476), (492, 40145), (518, 38130), (555, 35588), (574, 34410), (615, 32116), (620, 31857), (651, 30340), (740, 26691), (777, 25420), (820, 24087), (861, 22940), (868, 22755), (930, 21238), (1036, 19065), (1085, 18204), (1110, 17794), (1147, 17220), (1148, 17205), (1230, 16058), (1271, 15540), (1295, 15252), (1302, 15170), (1435, 13764), (1517, 13020), (1554, 12710), (1722, 11470), (1860, 10619), (2170, 9102), (2220, 8897), (2294, 8610), (2460, 8029), (2542, 7770), (2590, 7626), (2604, 7585), (2870, 6882), (3034, 6510), (3108, 6355), (3255, 6068), (3441, 5740), (3444, 5735), (3813, 5180), (3885, 5084), (4305, 4588), (4340, 4551)]