18884940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{701}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 34186260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 701, 898, 1347, 1402, 1796, 2103, 2245, 2694, 2804, 3505, 4206, 4490, 5388, 6735, 7010, 8412, 8980, 10515, 13470, 14020, 21030, 26940, 42060, 314749, 629498, 944247, 1258996, 1573745, 1888494, 3147490, 3776988, 4721235, 6294980, 9442470, 18884940]

約数ペア:

[(1, 18884940), (2, 9442470), (3, 6294980), (4, 4721235), (5, 3776988), (6, 3147490), (10, 1888494), (12, 1573745), (15, 1258996), (20, 944247), (30, 629498), (60, 314749), (449, 42060), (701, 26940), (898, 21030), (1347, 14020), (1402, 13470), (1796, 10515), (2103, 8980), (2245, 8412), (2694, 7010), (2804, 6735), (3505, 5388), (4206, 4490)]