19931264

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5023}}^1$

素因数の和:5068

約数の個数: 32

約数和(自身を含む): 40995840

約数和(自身を除く): 21064576

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5023, 10046, 20092, 40184, 80368, 155713, 160736, 311426, 321472, 622852, 642944, 1245704, 2491408, 4982816, 9965632, 19931264]

約数ペア:

[(1, 19931264), (2, 9965632), (4, 4982816), (8, 2491408), (16, 1245704), (31, 642944), (32, 622852), (62, 321472), (64, 311426), (124, 160736), (128, 155713), (248, 80368), (496, 40184), (992, 20092), (1984, 10046), (3968, 5023)]