18639420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7577}}^1$

素因数の和:7630

約数の個数: 48

約数和(自身を含む): 53470368

約数和(自身を除く): 34830948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7577, 15154, 22731, 30308, 37885, 45462, 75770, 90924, 113655, 151540, 227310, 310657, 454620, 621314, 931971, 1242628, 1553285, 1863942, 3106570, 3727884, 4659855, 6213140, 9319710, 18639420]

約数ペア:

[(1, 18639420), (2, 9319710), (3, 6213140), (4, 4659855), (5, 3727884), (6, 3106570), (10, 1863942), (12, 1553285), (15, 1242628), (20, 931971), (30, 621314), (41, 454620), (60, 310657), (82, 227310), (123, 151540), (164, 113655), (205, 90924), (246, 75770), (410, 45462), (492, 37885), (615, 30308), (820, 22731), (1230, 15154), (2460, 7577)]