18168904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4261}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 37590840

約数和(自身を除く): 19421936

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4261, 4264, 8522, 17044, 34088, 55393, 110786, 174701, 221572, 349402, 443144, 698804, 1397608, 2271113, 4542226, 9084452, 18168904]

約数ペア:

[(1, 18168904), (2, 9084452), (4, 4542226), (8, 2271113), (13, 1397608), (26, 698804), (41, 443144), (52, 349402), (82, 221572), (104, 174701), (164, 110786), (328, 55393), (533, 34088), (1066, 17044), (2132, 8522), (4261, 4264)]