18149260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 39981312

約数和(自身を除く): 21832052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 401, 620, 730, 802, 1460, 1604, 2005, 2263, 4010, 4526, 8020, 9052, 11315, 12431, 22630, 24862, 29273, 45260, 49724, 58546, 62155, 117092, 124310, 146365, 248620, 292730, 585460, 907463, 1814926, 3629852, 4537315, 9074630, 18149260]

約数ペア:

[(1, 18149260), (2, 9074630), (4, 4537315), (5, 3629852), (10, 1814926), (20, 907463), (31, 585460), (62, 292730), (73, 248620), (124, 146365), (146, 124310), (155, 117092), (292, 62155), (310, 58546), (365, 49724), (401, 45260), (620, 29273), (730, 24862), (802, 22630), (1460, 12431), (1604, 11315), (2005, 9052), (2263, 8020), (4010, 4526)]