18570760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 27152120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 503, 520, 568, 710, 923, 1006, 1420, 1846, 2012, 2515, 2840, 3692, 4024, 4615, 5030, 6539, 7384, 9230, 10060, 13078, 18460, 20120, 26156, 32695, 35713, 36920, 52312, 65390, 71426, 130780, 142852, 178565, 261560, 285704, 357130, 464269, 714260, 928538, 1428520, 1857076, 2321345, 3714152, 4642690, 9285380, 18570760]

約数ペア:

[(1, 18570760), (2, 9285380), (4, 4642690), (5, 3714152), (8, 2321345), (10, 1857076), (13, 1428520), (20, 928538), (26, 714260), (40, 464269), (52, 357130), (65, 285704), (71, 261560), (104, 178565), (130, 142852), (142, 130780), (260, 71426), (284, 65390), (355, 52312), (503, 36920), (520, 35713), (568, 32695), (710, 26156), (923, 20120), (1006, 18460), (1420, 13078), (1846, 10060), (2012, 9230), (2515, 7384), (2840, 6539), (3692, 5030), (4024, 4615)]