19591740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 71608320

約数和(自身を除く): 52016580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 73, 84, 90, 105, 108, 126, 135, 140, 142, 146, 180, 189, 210, 213, 219, 252, 270, 284, 292, 315, 355, 365, 378, 420, 426, 438, 497, 511, 540, 630, 639, 657, 710, 730, 756, 852, 876, 945, 994, 1022, 1065, 1095, 1260, 1278, 1314, 1420, 1460, 1491, 1533, 1890, 1917, 1971, 1988, 2044, 2130, 2190, 2485, 2555, 2556, 2628, 2982, 3066, 3195, 3285, 3780, 3834, 3942, 4260, 4380, 4473, 4599, 4970, 5110, 5183, 5964, 6132, 6390, 6570, 7455, 7665, 7668, 7884, 8946, 9198, 9585, 9855, 9940, 10220, 10366, 12780, 13140, 13419, 13797, 14910, 15330, 15549, 17892, 18396, 19170, 19710, 20732, 22365, 22995, 25915, 26838, 27594, 29820, 30660, 31098, 36281, 38340, 39420, 44730, 45990, 46647, 51830, 53676, 55188, 62196, 67095, 68985, 72562, 77745, 89460, 91980, 93294, 103660, 108843, 134190, 137970, 139941, 145124, 155490, 181405, 186588, 217686, 233235, 268380, 275940, 279882, 310980, 326529, 362810, 435372, 466470, 544215, 559764, 653058, 699705, 725620, 932940, 979587, 1088430, 1306116, 1399410, 1632645, 1959174, 2176860, 2798820, 3265290, 3918348, 4897935, 6530580, 9795870, 19591740]

約数ペア:

[(1, 19591740), (2, 9795870), (3, 6530580), (4, 4897935), (5, 3918348), (6, 3265290), (7, 2798820), (9, 2176860), (10, 1959174), (12, 1632645), (14, 1399410), (15, 1306116), (18, 1088430), (20, 979587), (21, 932940), (27, 725620), (28, 699705), (30, 653058), (35, 559764), (36, 544215), (42, 466470), (45, 435372), (54, 362810), (60, 326529), (63, 310980), (70, 279882), (71, 275940), (73, 268380), (84, 233235), (90, 217686), (105, 186588), (108, 181405), (126, 155490), (135, 145124), (140, 139941), (142, 137970), (146, 134190), (180, 108843), (189, 103660), (210, 93294), (213, 91980), (219, 89460), (252, 77745), (270, 72562), (284, 68985), (292, 67095), (315, 62196), (355, 55188), (365, 53676), (378, 51830), (420, 46647), (426, 45990), (438, 44730), (497, 39420), (511, 38340), (540, 36281), (630, 31098), (639, 30660), (657, 29820), (710, 27594), (730, 26838), (756, 25915), (852, 22995), (876, 22365), (945, 20732), (994, 19710), (1022, 19170), (1065, 18396), (1095, 17892), (1260, 15549), (1278, 15330), (1314, 14910), (1420, 13797), (1460, 13419), (1491, 13140), (1533, 12780), (1890, 10366), (1917, 10220), (1971, 9940), (1988, 9855), (2044, 9585), (2130, 9198), (2190, 8946), (2485, 7884), (2555, 7668), (2556, 7665), (2628, 7455), (2982, 6570), (3066, 6390), (3195, 6132), (3285, 5964), (3780, 5183), (3834, 5110), (3942, 4970), (4260, 4599), (4380, 4473)]