18025904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 40

約数和(自身を含む): 38122560

約数和(自身を除く): 20096656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1097, 1264, 2054, 2194, 4108, 4388, 8216, 8776, 14261, 16432, 17552, 28522, 57044, 86663, 114088, 173326, 228176, 346652, 693304, 1126619, 1386608, 2253238, 4506476, 9012952, 18025904]

約数ペア:

[(1, 18025904), (2, 9012952), (4, 4506476), (8, 2253238), (13, 1386608), (16, 1126619), (26, 693304), (52, 346652), (79, 228176), (104, 173326), (158, 114088), (208, 86663), (316, 57044), (632, 28522), (1027, 17552), (1097, 16432), (1264, 14261), (2054, 8776), (2194, 8216), (4108, 4388)]