18209260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 39481344

約数和(自身を除く): 21272084

約数列:

[1, 2, 4, 5, 10, 20, 67, 107, 127, 134, 214, 254, 268, 335, 428, 508, 535, 635, 670, 1070, 1270, 1340, 2140, 2540, 7169, 8509, 13589, 14338, 17018, 27178, 28676, 34036, 35845, 42545, 54356, 67945, 71690, 85090, 135890, 143380, 170180, 271780, 910463, 1820926, 3641852, 4552315, 9104630, 18209260]

約数ペア:

[(1, 18209260), (2, 9104630), (4, 4552315), (5, 3641852), (10, 1820926), (20, 910463), (67, 271780), (107, 170180), (127, 143380), (134, 135890), (214, 85090), (254, 71690), (268, 67945), (335, 54356), (428, 42545), (508, 35845), (535, 34036), (635, 28676), (670, 27178), (1070, 17018), (1270, 14338), (1340, 13589), (2140, 8509), (2540, 7169)]