18724468

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1151}}^1$

素因数の和:1252

約数の個数: 36

約数和(自身を含む): 38610432

約数和(自身を除く): 19885964

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1151, 1162, 2302, 2324, 4067, 4604, 8057, 8134, 16114, 16268, 32228, 56399, 95533, 112798, 191066, 225596, 382132, 668731, 1337462, 2674924, 4681117, 9362234, 18724468]

約数ペア:

[(1, 18724468), (2, 9362234), (4, 4681117), (7, 2674924), (14, 1337462), (28, 668731), (49, 382132), (83, 225596), (98, 191066), (166, 112798), (196, 95533), (332, 56399), (581, 32228), (1151, 16268), (1162, 16114), (2302, 8134), (2324, 8057), (4067, 4604)]