2018934520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1628173}}^1$

素因数の和:1628215

約数の個数: 32

約数和(自身を含む): 4689141120

約数和(自身を除く): 2670206600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1628173, 3256346, 6512692, 8140865, 13025384, 16281730, 32563460, 50473363, 65126920, 100946726, 201893452, 252366815, 403786904, 504733630, 1009467260, 2018934520]

約数ペア:

[(1, 2018934520), (2, 1009467260), (4, 504733630), (5, 403786904), (8, 252366815), (10, 201893452), (20, 100946726), (31, 65126920), (40, 50473363), (62, 32563460), (124, 16281730), (155, 13025384), (248, 8140865), (310, 6512692), (620, 3256346), (1240, 1628173)]