19583240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11941}}^1$

素因数の和:11993

約数の個数: 32

約数和(自身を含む): 45140760

約数和(自身を除く): 25557520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11941, 23882, 47764, 59705, 95528, 119410, 238820, 477640, 489581, 979162, 1958324, 2447905, 3916648, 4895810, 9791620, 19583240]

約数ペア:

[(1, 19583240), (2, 9791620), (4, 4895810), (5, 3916648), (8, 2447905), (10, 1958324), (20, 979162), (40, 489581), (41, 477640), (82, 238820), (164, 119410), (205, 95528), (328, 59705), (410, 47764), (820, 23882), (1640, 11941)]