18696426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2731}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 43012608

約数和(自身を除く): 24316182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 2731, 3423, 5462, 6846, 8193, 16386, 19117, 38234, 57351, 114702, 445153, 890306, 1335459, 2670918, 3116071, 6232142, 9348213, 18696426]

約数ペア:

[(1, 18696426), (2, 9348213), (3, 6232142), (6, 3116071), (7, 2670918), (14, 1335459), (21, 890306), (42, 445153), (163, 114702), (326, 57351), (489, 38234), (978, 19117), (1141, 16386), (2282, 8193), (2731, 6846), (3423, 5462)]