193777580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{26839}}^1$

素因数の和:26886

約数の個数: 36

約数和(自身を含む): 429493680

約数和(自身を除く): 235716100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 26839, 53678, 107356, 134195, 268390, 509941, 536780, 1019882, 2039764, 2549705, 5099410, 9688879, 10198820, 19377758, 38755516, 48444395, 96888790, 193777580]

約数ペア:

[(1, 193777580), (2, 96888790), (4, 48444395), (5, 38755516), (10, 19377758), (19, 10198820), (20, 9688879), (38, 5099410), (76, 2549705), (95, 2039764), (190, 1019882), (361, 536780), (380, 509941), (722, 268390), (1444, 134195), (1805, 107356), (3610, 53678), (7220, 26839)]