19432820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4649}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 46872000

約数和(自身を除く): 27439180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4649, 9298, 18596, 23245, 46490, 51139, 88331, 92980, 102278, 176662, 204556, 255695, 353324, 441655, 511390, 883310, 971641, 1022780, 1766620, 1943282, 3886564, 4858205, 9716410, 19432820]

約数ペア:

[(1, 19432820), (2, 9716410), (4, 4858205), (5, 3886564), (10, 1943282), (11, 1766620), (19, 1022780), (20, 971641), (22, 883310), (38, 511390), (44, 441655), (55, 353324), (76, 255695), (95, 204556), (110, 176662), (190, 102278), (209, 92980), (220, 88331), (380, 51139), (418, 46490), (836, 23245), (1045, 18596), (2090, 9298), (4180, 4649)]