19028730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 56033280

約数和(自身を除く): 37004550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 37, 42, 62, 70, 74, 79, 93, 105, 111, 155, 158, 185, 186, 210, 217, 222, 237, 259, 310, 370, 395, 434, 465, 474, 518, 553, 555, 651, 777, 790, 930, 1085, 1106, 1110, 1147, 1185, 1295, 1302, 1554, 1659, 2170, 2294, 2370, 2449, 2590, 2765, 2923, 3255, 3318, 3441, 3885, 4898, 5530, 5735, 5846, 6510, 6882, 7347, 7770, 8029, 8295, 8769, 11470, 12245, 14615, 14694, 16058, 16590, 17143, 17205, 17538, 20461, 24087, 24490, 29230, 34286, 34410, 36735, 40145, 40922, 43845, 48174, 51429, 61383, 73470, 80290, 85715, 87690, 90613, 102305, 102858, 120435, 122766, 171430, 181226, 204610, 240870, 257145, 271839, 306915, 453065, 514290, 543678, 613830, 634291, 906130, 1268582, 1359195, 1902873, 2718390, 3171455, 3805746, 6342910, 9514365, 19028730]

約数ペア:

[(1, 19028730), (2, 9514365), (3, 6342910), (5, 3805746), (6, 3171455), (7, 2718390), (10, 1902873), (14, 1359195), (15, 1268582), (21, 906130), (30, 634291), (31, 613830), (35, 543678), (37, 514290), (42, 453065), (62, 306915), (70, 271839), (74, 257145), (79, 240870), (93, 204610), (105, 181226), (111, 171430), (155, 122766), (158, 120435), (185, 102858), (186, 102305), (210, 90613), (217, 87690), (222, 85715), (237, 80290), (259, 73470), (310, 61383), (370, 51429), (395, 48174), (434, 43845), (465, 40922), (474, 40145), (518, 36735), (553, 34410), (555, 34286), (651, 29230), (777, 24490), (790, 24087), (930, 20461), (1085, 17538), (1106, 17205), (1110, 17143), (1147, 16590), (1185, 16058), (1295, 14694), (1302, 14615), (1554, 12245), (1659, 11470), (2170, 8769), (2294, 8295), (2370, 8029), (2449, 7770), (2590, 7347), (2765, 6882), (2923, 6510), (3255, 5846), (3318, 5735), (3441, 5530), (3885, 4898)]