18420178

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1861}}^1$

素因数の和:1978

約数の個数: 24

約数和(自身を含む): 32477004

約数和(自身を除く): 14056826

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 1861, 3722, 4949, 9898, 13027, 26054, 91189, 182378, 187961, 375922, 1315727, 2631454, 9210089, 18420178]

約数ペア:

[(1, 18420178), (2, 9210089), (7, 2631454), (14, 1315727), (49, 375922), (98, 187961), (101, 182378), (202, 91189), (707, 26054), (1414, 13027), (1861, 9898), (3722, 4949)]