18623696

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12791}}^1$

素因数の和:12819

約数の個数: 40

約数和(自身を含む): 44413824

約数和(自身を除く): 25790128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12791, 25582, 51164, 89537, 102328, 166283, 179074, 204656, 332566, 358148, 665132, 716296, 1163981, 1330264, 1432592, 2327962, 2660528, 4655924, 9311848, 18623696]

約数ペア:

[(1, 18623696), (2, 9311848), (4, 4655924), (7, 2660528), (8, 2327962), (13, 1432592), (14, 1330264), (16, 1163981), (26, 716296), (28, 665132), (52, 358148), (56, 332566), (91, 204656), (104, 179074), (112, 166283), (182, 102328), (208, 89537), (364, 51164), (728, 25582), (1456, 12791)]