18436340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3083}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 43521408

約数和(自身を除く): 25085068

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3083, 5980, 6166, 12332, 15415, 30830, 40079, 61660, 70909, 80158, 141818, 160316, 200395, 283636, 354545, 400790, 709090, 801580, 921817, 1418180, 1843634, 3687268, 4609085, 9218170, 18436340]

約数ペア:

[(1, 18436340), (2, 9218170), (4, 4609085), (5, 3687268), (10, 1843634), (13, 1418180), (20, 921817), (23, 801580), (26, 709090), (46, 400790), (52, 354545), (65, 283636), (92, 200395), (115, 160316), (130, 141818), (230, 80158), (260, 70909), (299, 61660), (460, 40079), (598, 30830), (1196, 15415), (1495, 12332), (2990, 6166), (3083, 5980)]