18773408

素因数分解:

$2^5\times {\mathrm{41}}^2\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 36

約数和(自身を含む): 37992150

約数和(自身を除く): 19218742

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 349, 656, 698, 1312, 1396, 1681, 2792, 3362, 5584, 6724, 11168, 13448, 14309, 26896, 28618, 53792, 57236, 114472, 228944, 457888, 586669, 1173338, 2346676, 4693352, 9386704, 18773408]

約数ペア:

[(1, 18773408), (2, 9386704), (4, 4693352), (8, 2346676), (16, 1173338), (32, 586669), (41, 457888), (82, 228944), (164, 114472), (328, 57236), (349, 53792), (656, 28618), (698, 26896), (1312, 14309), (1396, 13448), (1681, 11168), (2792, 6724), (3362, 5584)]