16387918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 10568882

約数列:

[1, 2, 19, 38, 53, 79, 103, 106, 158, 206, 1007, 1501, 1957, 2014, 3002, 3914, 4187, 5459, 8137, 8374, 10918, 16274, 79553, 103721, 154603, 159106, 207442, 309206, 431261, 862522, 8193959, 16387918]

約数ペア:

[(1, 16387918), (2, 8193959), (19, 862522), (38, 431261), (53, 309206), (79, 207442), (103, 159106), (106, 154603), (158, 103721), (206, 79553), (1007, 16274), (1501, 10918), (1957, 8374), (2014, 8137), (3002, 5459), (3914, 4187)]