18318840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{152657}}^1$

素因数の和:152671

約数の個数: 32

約数和(自身を含む): 54956880

約数和(自身を除く): 36638040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 152657, 305314, 457971, 610628, 763285, 915942, 1221256, 1526570, 1831884, 2289855, 3053140, 3663768, 4579710, 6106280, 9159420, 18318840]

約数ペア:

[(1, 18318840), (2, 9159420), (3, 6106280), (4, 4579710), (5, 3663768), (6, 3053140), (8, 2289855), (10, 1831884), (12, 1526570), (15, 1221256), (20, 915942), (24, 763285), (30, 610628), (40, 457971), (60, 305314), (120, 152657)]