19313130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 29416470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 79, 87, 145, 158, 174, 237, 281, 290, 395, 435, 474, 562, 790, 843, 870, 1185, 1405, 1686, 2291, 2370, 2810, 4215, 4582, 6873, 8149, 8430, 11455, 13746, 16298, 22199, 22910, 24447, 34365, 40745, 44398, 48894, 66597, 68730, 81490, 110995, 122235, 133194, 221990, 244470, 332985, 643771, 665970, 1287542, 1931313, 3218855, 3862626, 6437710, 9656565, 19313130]

約数ペア:

[(1, 19313130), (2, 9656565), (3, 6437710), (5, 3862626), (6, 3218855), (10, 1931313), (15, 1287542), (29, 665970), (30, 643771), (58, 332985), (79, 244470), (87, 221990), (145, 133194), (158, 122235), (174, 110995), (237, 81490), (281, 68730), (290, 66597), (395, 48894), (435, 44398), (474, 40745), (562, 34365), (790, 24447), (843, 22910), (870, 22199), (1185, 16298), (1405, 13746), (1686, 11455), (2291, 8430), (2370, 8149), (2810, 6873), (4215, 4582)]