18915918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5701}}^1$

素因数の和:5792

約数の個数: 32

約数和(自身を含む): 43791360

約数和(自身を除く): 24875442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 5701, 11402, 17103, 34206, 39907, 79814, 119721, 239442, 450379, 900758, 1351137, 2702274, 3152653, 6305306, 9457959, 18915918]

約数ペア:

[(1, 18915918), (2, 9457959), (3, 6305306), (6, 3152653), (7, 2702274), (14, 1351137), (21, 900758), (42, 450379), (79, 239442), (158, 119721), (237, 79814), (474, 39907), (553, 34206), (1106, 17103), (1659, 11402), (3318, 5701)]