18008452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 21988988

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 991, 1298, 1652, 1982, 2596, 3964, 4543, 6937, 9086, 10901, 13874, 18172, 21802, 27748, 43604, 58469, 76307, 116938, 152614, 233876, 305228, 409283, 643159, 818566, 1286318, 1637132, 2572636, 4502113, 9004226, 18008452]

約数ペア:

[(1, 18008452), (2, 9004226), (4, 4502113), (7, 2572636), (11, 1637132), (14, 1286318), (22, 818566), (28, 643159), (44, 409283), (59, 305228), (77, 233876), (118, 152614), (154, 116938), (236, 76307), (308, 58469), (413, 43604), (649, 27748), (826, 21802), (991, 18172), (1298, 13874), (1652, 10901), (1982, 9086), (2596, 6937), (3964, 4543)]