19563872

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{35963}}^1$

素因数の和:35990

約数の個数: 24

約数和(自身を含む): 40783176

約数和(自身を除く): 21219304

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 35963, 71926, 143852, 287704, 575408, 611371, 1150816, 1222742, 2445484, 4890968, 9781936, 19563872]

約数ペア:

[(1, 19563872), (2, 9781936), (4, 4890968), (8, 2445484), (16, 1222742), (17, 1150816), (32, 611371), (34, 575408), (68, 287704), (136, 143852), (272, 71926), (544, 35963)]