18138840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151157}}^1$

素因数の和:151171

約数の個数: 32

約数和(自身を含む): 54416880

約数和(自身を除く): 36278040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151157, 302314, 453471, 604628, 755785, 906942, 1209256, 1511570, 1813884, 2267355, 3023140, 3627768, 4534710, 6046280, 9069420, 18138840]

約数ペア:

[(1, 18138840), (2, 9069420), (3, 6046280), (4, 4534710), (5, 3627768), (6, 3023140), (8, 2267355), (10, 1813884), (12, 1511570), (15, 1209256), (20, 906942), (24, 755785), (30, 604628), (40, 453471), (60, 302314), (120, 151157)]