18738840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{156157}}^1$

素因数の和:156171

約数の個数: 32

約数和(自身を含む): 56216880

約数和(自身を除く): 37478040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 156157, 312314, 468471, 624628, 780785, 936942, 1249256, 1561570, 1873884, 2342355, 3123140, 3747768, 4684710, 6246280, 9369420, 18738840]

約数ペア:

[(1, 18738840), (2, 9369420), (3, 6246280), (4, 4684710), (5, 3747768), (6, 3123140), (8, 2342355), (10, 1873884), (12, 1561570), (15, 1249256), (20, 936942), (24, 780785), (30, 624628), (40, 468471), (60, 312314), (120, 156157)]