18040016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1059

約数の個数: 40

約数和(自身を含む): 37092864

約数和(自身を除く): 19052848

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 983, 1147, 1966, 2294, 3932, 4588, 7864, 9176, 15728, 18352, 30473, 36371, 60946, 72742, 121892, 145484, 243784, 290968, 487568, 581936, 1127501, 2255002, 4510004, 9020008, 18040016]

約数ペア:

[(1, 18040016), (2, 9020008), (4, 4510004), (8, 2255002), (16, 1127501), (31, 581936), (37, 487568), (62, 290968), (74, 243784), (124, 145484), (148, 121892), (248, 72742), (296, 60946), (496, 36371), (592, 30473), (983, 18352), (1147, 15728), (1966, 9176), (2294, 7864), (3932, 4588)]