18494994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2087}}^1$

素因数の和:2310

約数の個数: 32

約数和(自身を含む): 42494976

約数和(自身を除く): 23999982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2087, 2954, 4174, 4431, 6261, 8862, 12522, 14609, 29218, 43827, 87654, 440357, 880714, 1321071, 2642142, 3082499, 6164998, 9247497, 18494994]

約数ペア:

[(1, 18494994), (2, 9247497), (3, 6164998), (6, 3082499), (7, 2642142), (14, 1321071), (21, 880714), (42, 440357), (211, 87654), (422, 43827), (633, 29218), (1266, 14609), (1477, 12522), (2087, 8862), (2954, 6261), (4174, 4431)]