19165198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 24

約数和(自身を含む): 31629528

約数和(自身を除く): 12464330

約数列:

[1, 2, 13, 26, 83, 107, 166, 214, 1079, 1391, 2158, 2782, 6889, 8881, 13778, 17762, 89557, 115453, 179114, 230906, 737123, 1474246, 9582599, 19165198]

約数ペア:

[(1, 19165198), (2, 9582599), (13, 1474246), (26, 737123), (83, 230906), (107, 179114), (166, 115453), (214, 89557), (1079, 17762), (1391, 13778), (2158, 8881), (2782, 6889)]