19211632

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6421}}^1$

素因数の和:6457

約数の個数: 40

約数和(自身を含む): 43001712

約数和(自身を除く): 23790080

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6421, 12842, 25684, 51368, 70631, 102736, 109157, 141262, 218314, 282524, 436628, 565048, 873256, 1130096, 1200727, 1746512, 2401454, 4802908, 9605816, 19211632]

約数ペア:

[(1, 19211632), (2, 9605816), (4, 4802908), (8, 2401454), (11, 1746512), (16, 1200727), (17, 1130096), (22, 873256), (34, 565048), (44, 436628), (68, 282524), (88, 218314), (136, 141262), (176, 109157), (187, 102736), (272, 70631), (374, 51368), (748, 25684), (1496, 12842), (2992, 6421)]