18877264

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5437}}^1$

素因数の和:5483

約数の個数: 40

約数和(自身を含む): 43155968

約数和(自身を除く): 24278704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5437, 10874, 21748, 38059, 43496, 76118, 86992, 152236, 168547, 304472, 337094, 608944, 674188, 1179829, 1348376, 2359658, 2696752, 4719316, 9438632, 18877264]

約数ペア:

[(1, 18877264), (2, 9438632), (4, 4719316), (7, 2696752), (8, 2359658), (14, 1348376), (16, 1179829), (28, 674188), (31, 608944), (56, 337094), (62, 304472), (112, 168547), (124, 152236), (217, 86992), (248, 76118), (434, 43496), (496, 38059), (868, 21748), (1736, 10874), (3472, 5437)]