19181604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2999}}^1$

素因数の和:3060

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 30210396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 2999, 3198, 5998, 6396, 8997, 11996, 17994, 35988, 38987, 77974, 116961, 122959, 155948, 233922, 245918, 368877, 467844, 491836, 737754, 1475508, 1598467, 3196934, 4795401, 6393868, 9590802, 19181604]

約数ペア:

[(1, 19181604), (2, 9590802), (3, 6393868), (4, 4795401), (6, 3196934), (12, 1598467), (13, 1475508), (26, 737754), (39, 491836), (41, 467844), (52, 368877), (78, 245918), (82, 233922), (123, 155948), (156, 122959), (164, 116961), (246, 77974), (492, 38987), (533, 35988), (1066, 17994), (1599, 11996), (2132, 8997), (2999, 6396), (3198, 5998)]