1999880946

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{87691}}^1$

素因数の和:87887

約数の個数: 48

約数和(自身を含む): 4979502528

約数和(自身を除く): 2979621582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 181, 362, 543, 1086, 1267, 1629, 2534, 3258, 3801, 7602, 11403, 22806, 87691, 175382, 263073, 526146, 613837, 789219, 1227674, 1578438, 1841511, 3683022, 5524533, 11049066, 15872071, 31744142, 47616213, 95232426, 111104497, 142848639, 222208994, 285697278, 333313491, 666626982, 999940473, 1999880946]

約数ペア:

[(1, 1999880946), (2, 999940473), (3, 666626982), (6, 333313491), (7, 285697278), (9, 222208994), (14, 142848639), (18, 111104497), (21, 95232426), (42, 47616213), (63, 31744142), (126, 15872071), (181, 11049066), (362, 5524533), (543, 3683022), (1086, 1841511), (1267, 1578438), (1629, 1227674), (2534, 789219), (3258, 613837), (3801, 526146), (7602, 263073), (11403, 175382), (22806, 87691)]