19907475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5417}}^1$

素因数の和:5444

約数の個数: 36

約数和(自身を含む): 38294424

約数和(自身を除く): 18386949

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5417, 16251, 27085, 37919, 81255, 113757, 135425, 189595, 265433, 406275, 568785, 796299, 947975, 1327165, 2843925, 3981495, 6635825, 19907475]

約数ペア:

[(1, 19907475), (3, 6635825), (5, 3981495), (7, 2843925), (15, 1327165), (21, 947975), (25, 796299), (35, 568785), (49, 406275), (75, 265433), (105, 189595), (147, 135425), (175, 113757), (245, 81255), (525, 37919), (735, 27085), (1225, 16251), (3675, 5417)]