219874612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{17749}}^1$

素因数の和:17935

約数の個数: 24

約数和(自身を含む): 407540000

約数和(自身を除く): 187665388

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 3097, 6194, 12388, 17749, 35498, 70996, 337231, 674462, 1348924, 2893087, 5786174, 11572348, 54968653, 109937306, 219874612]

約数ペア:

[(1, 219874612), (2, 109937306), (4, 54968653), (19, 11572348), (38, 5786174), (76, 2893087), (163, 1348924), (326, 674462), (652, 337231), (3097, 70996), (6194, 35498), (12388, 17749)]