19139952

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 54753440

約数和(自身を除く): 35613488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 74, 78, 104, 111, 148, 156, 208, 222, 296, 312, 444, 481, 592, 624, 829, 888, 962, 1443, 1658, 1776, 1924, 2487, 2886, 3316, 3848, 4974, 5772, 6632, 7696, 9948, 10777, 11544, 13264, 19896, 21554, 23088, 30673, 32331, 39792, 43108, 61346, 64662, 86216, 92019, 122692, 129324, 172432, 184038, 245384, 258648, 368076, 398749, 490768, 517296, 736152, 797498, 1196247, 1472304, 1594996, 2392494, 3189992, 4784988, 6379984, 9569976, 19139952]

約数ペア:

[(1, 19139952), (2, 9569976), (3, 6379984), (4, 4784988), (6, 3189992), (8, 2392494), (12, 1594996), (13, 1472304), (16, 1196247), (24, 797498), (26, 736152), (37, 517296), (39, 490768), (48, 398749), (52, 368076), (74, 258648), (78, 245384), (104, 184038), (111, 172432), (148, 129324), (156, 122692), (208, 92019), (222, 86216), (296, 64662), (312, 61346), (444, 43108), (481, 39792), (592, 32331), (624, 30673), (829, 23088), (888, 21554), (962, 19896), (1443, 13264), (1658, 11544), (1776, 10777), (1924, 9948), (2487, 7696), (2886, 6632), (3316, 5772), (3848, 4974)]