18371968

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{8443}}^1$

素因数の和:8474

約数の個数: 32

約数和(自身を含む): 38757960

約数和(自身を除く): 20385992

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 8443, 16886, 33772, 67544, 135088, 143531, 270176, 287062, 540352, 574124, 1080704, 1148248, 2296496, 4592992, 9185984, 18371968]

約数ペア:

[(1, 18371968), (2, 9185984), (4, 4592992), (8, 2296496), (16, 1148248), (17, 1080704), (32, 574124), (34, 540352), (64, 287062), (68, 270176), (128, 143531), (136, 135088), (272, 67544), (544, 33772), (1088, 16886), (2176, 8443)]