18432848

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5309}}^1$

素因数の和:5355

約数の個数: 40

約数和(自身を含む): 42140160

約数和(自身を除く): 23707312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5309, 10618, 21236, 37163, 42472, 74326, 84944, 148652, 164579, 297304, 329158, 594608, 658316, 1152053, 1316632, 2304106, 2633264, 4608212, 9216424, 18432848]

約数ペア:

[(1, 18432848), (2, 9216424), (4, 4608212), (7, 2633264), (8, 2304106), (14, 1316632), (16, 1152053), (28, 658316), (31, 594608), (56, 329158), (62, 297304), (112, 164579), (124, 148652), (217, 84944), (248, 74326), (434, 42472), (496, 37163), (868, 21236), (1736, 10618), (3472, 5309)]