19528580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3023}}^1$

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 26194300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3023, 3230, 6046, 6460, 12092, 15115, 30230, 51391, 57437, 60460, 102782, 114874, 205564, 229748, 256955, 287185, 513910, 574370, 976429, 1027820, 1148740, 1952858, 3905716, 4882145, 9764290, 19528580]

約数ペア:

[(1, 19528580), (2, 9764290), (4, 4882145), (5, 3905716), (10, 1952858), (17, 1148740), (19, 1027820), (20, 976429), (34, 574370), (38, 513910), (68, 287185), (76, 256955), (85, 229748), (95, 205564), (170, 114874), (190, 102782), (323, 60460), (340, 57437), (380, 51391), (646, 30230), (1292, 15115), (1615, 12092), (3023, 6460), (3230, 6046)]