15981912

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3392

約数の個数: 48

約数和(自身を含む): 43943640

約数和(自身を除く): 27961728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 201, 268, 402, 536, 603, 804, 1206, 1608, 2412, 3313, 4824, 6626, 9939, 13252, 19878, 26504, 29817, 39756, 59634, 79512, 119268, 221971, 238536, 443942, 665913, 887884, 1331826, 1775768, 1997739, 2663652, 3995478, 5327304, 7990956, 15981912]

約数ペア:

[(1, 15981912), (2, 7990956), (3, 5327304), (4, 3995478), (6, 2663652), (8, 1997739), (9, 1775768), (12, 1331826), (18, 887884), (24, 665913), (36, 443942), (67, 238536), (72, 221971), (134, 119268), (201, 79512), (268, 59634), (402, 39756), (536, 29817), (603, 26504), (804, 19878), (1206, 13252), (1608, 9939), (2412, 6626), (3313, 4824)]