18480388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3331}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 34519520

約数和(自身を除く): 16039132

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3331, 5548, 6662, 13324, 63289, 126578, 243163, 253156, 486326, 972652, 4620097, 9240194, 18480388]

約数ペア:

[(1, 18480388), (2, 9240194), (4, 4620097), (19, 972652), (38, 486326), (73, 253156), (76, 243163), (146, 126578), (292, 63289), (1387, 13324), (2774, 6662), (3331, 5548)]