18708691810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{660851}}^1$

素因数の和:661026

約数の個数: 32

約数和(自身を含む): 35686008000

約数和(自身を除く): 16977316190

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 5662, 14155, 28310, 660851, 1321702, 3304255, 6608510, 12556169, 25112338, 62780845, 98466799, 125561690, 196933598, 492333995, 984667990, 1870869181, 3741738362, 9354345905, 18708691810]

約数ペア:

[(1, 18708691810), (2, 9354345905), (5, 3741738362), (10, 1870869181), (19, 984667990), (38, 492333995), (95, 196933598), (149, 125561690), (190, 98466799), (298, 62780845), (745, 25112338), (1490, 12556169), (2831, 6608510), (5662, 3304255), (14155, 1321702), (28310, 660851)]