19914125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2069}}^1$

素因数の和:2102

約数の個数: 32

約数和(自身を含む): 31000320

約数和(自身を除く): 11086195

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 2069, 9625, 10345, 14483, 22759, 51725, 72415, 113795, 159313, 258625, 362075, 568975, 796565, 1810375, 2844875, 3982825, 19914125]

約数ペア:

[(1, 19914125), (5, 3982825), (7, 2844875), (11, 1810375), (25, 796565), (35, 568975), (55, 362075), (77, 258625), (125, 159313), (175, 113795), (275, 72415), (385, 51725), (875, 22759), (1375, 14483), (1925, 10345), (2069, 9625)]