18910276

素因数分解:

$2^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:222

約数の個数: 60

約数和(自身を含む): 42351120

約数和(自身を除く): 23440844

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 179, 196, 308, 343, 358, 539, 686, 716, 1078, 1253, 1372, 1969, 2156, 2401, 2506, 3773, 3938, 4802, 5012, 7546, 7876, 8771, 9604, 13783, 15092, 17542, 26411, 27566, 35084, 52822, 55132, 61397, 96481, 105644, 122794, 192962, 245588, 385924, 429779, 675367, 859558, 1350734, 1719116, 2701468, 4727569, 9455138, 18910276]

約数ペア:

[(1, 18910276), (2, 9455138), (4, 4727569), (7, 2701468), (11, 1719116), (14, 1350734), (22, 859558), (28, 675367), (44, 429779), (49, 385924), (77, 245588), (98, 192962), (154, 122794), (179, 105644), (196, 96481), (308, 61397), (343, 55132), (358, 52822), (539, 35084), (686, 27566), (716, 26411), (1078, 17542), (1253, 15092), (1372, 13783), (1969, 9604), (2156, 8771), (2401, 7876), (2506, 7546), (3773, 5012), (3938, 4802)]