18941312

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11383}}^1$

素因数の和:11410

約数の個数: 32

約数和(自身を含む): 40640880

約数和(自身を除く): 21699568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11383, 22766, 45532, 91064, 147979, 182128, 295958, 364256, 591916, 728512, 1183832, 1457024, 2367664, 4735328, 9470656, 18941312]

約数ペア:

[(1, 18941312), (2, 9470656), (4, 4735328), (8, 2367664), (13, 1457024), (16, 1183832), (26, 728512), (32, 591916), (52, 364256), (64, 295958), (104, 182128), (128, 147979), (208, 91064), (416, 45532), (832, 22766), (1664, 11383)]