19862816

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20023}}^1$

素因数の和:20064

約数の個数: 24

約数和(自身を含む): 40368384

約数和(自身を除く): 20505568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20023, 40046, 80092, 160184, 320368, 620713, 640736, 1241426, 2482852, 4965704, 9931408, 19862816]

約数ペア:

[(1, 19862816), (2, 9931408), (4, 4965704), (8, 2482852), (16, 1241426), (31, 640736), (32, 620713), (62, 320368), (124, 160184), (248, 80092), (496, 40046), (992, 20023)]