19583660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 24324820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 241, 340, 478, 482, 956, 964, 1195, 1205, 2390, 2410, 4063, 4097, 4780, 4820, 8126, 8194, 16252, 16388, 20315, 20485, 40630, 40970, 57599, 81260, 81940, 115198, 230396, 287995, 575990, 979183, 1151980, 1958366, 3916732, 4895915, 9791830, 19583660]

約数ペア:

[(1, 19583660), (2, 9791830), (4, 4895915), (5, 3916732), (10, 1958366), (17, 1151980), (20, 979183), (34, 575990), (68, 287995), (85, 230396), (170, 115198), (239, 81940), (241, 81260), (340, 57599), (478, 40970), (482, 40630), (956, 20485), (964, 20315), (1195, 16388), (1205, 16252), (2390, 8194), (2410, 8126), (4063, 4820), (4097, 4780)]