19784028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2237}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 51133824

約数和(自身を除く): 31349796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 67, 132, 134, 201, 268, 402, 737, 804, 1474, 2211, 2237, 2948, 4422, 4474, 6711, 8844, 8948, 13422, 24607, 26844, 49214, 73821, 98428, 147642, 149879, 295284, 299758, 449637, 599516, 899274, 1648669, 1798548, 3297338, 4946007, 6594676, 9892014, 19784028]

約数ペア:

[(1, 19784028), (2, 9892014), (3, 6594676), (4, 4946007), (6, 3297338), (11, 1798548), (12, 1648669), (22, 899274), (33, 599516), (44, 449637), (66, 299758), (67, 295284), (132, 149879), (134, 147642), (201, 98428), (268, 73821), (402, 49214), (737, 26844), (804, 24607), (1474, 13422), (2211, 8948), (2237, 8844), (2948, 6711), (4422, 4474)]