18229288

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 43182720

約数和(自身を除く): 24953432

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 293, 308, 404, 586, 616, 707, 808, 1111, 1172, 1414, 2051, 2222, 2344, 2828, 3223, 4102, 4444, 5656, 6446, 7777, 8204, 8888, 12892, 15554, 16408, 22561, 25784, 29593, 31108, 45122, 59186, 62216, 90244, 118372, 180488, 207151, 236744, 325523, 414302, 651046, 828604, 1302092, 1657208, 2278661, 2604184, 4557322, 9114644, 18229288]

約数ペア:

[(1, 18229288), (2, 9114644), (4, 4557322), (7, 2604184), (8, 2278661), (11, 1657208), (14, 1302092), (22, 828604), (28, 651046), (44, 414302), (56, 325523), (77, 236744), (88, 207151), (101, 180488), (154, 118372), (202, 90244), (293, 62216), (308, 59186), (404, 45122), (586, 31108), (616, 29593), (707, 25784), (808, 22561), (1111, 16408), (1172, 15554), (1414, 12892), (2051, 8888), (2222, 8204), (2344, 7777), (2828, 6446), (3223, 5656), (4102, 4444)]