19665648

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3691}}^1$

素因数の和:3742

約数の個数: 60

約数和(自身を含む): 56539288

約数和(自身を除く): 36873640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3691, 5328, 7382, 11073, 14764, 22146, 29528, 33219, 44292, 59056, 66438, 88584, 132876, 136567, 177168, 265752, 273134, 409701, 531504, 546268, 819402, 1092536, 1229103, 1638804, 2185072, 2458206, 3277608, 4916412, 6555216, 9832824, 19665648]

約数ペア:

[(1, 19665648), (2, 9832824), (3, 6555216), (4, 4916412), (6, 3277608), (8, 2458206), (9, 2185072), (12, 1638804), (16, 1229103), (18, 1092536), (24, 819402), (36, 546268), (37, 531504), (48, 409701), (72, 273134), (74, 265752), (111, 177168), (144, 136567), (148, 132876), (222, 88584), (296, 66438), (333, 59056), (444, 44292), (592, 33219), (666, 29528), (888, 22146), (1332, 14764), (1776, 11073), (2664, 7382), (3691, 5328)]