19633625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 27181440

約数和(自身を除く): 7547815

約数列:

[1, 5, 11, 25, 55, 109, 125, 131, 275, 545, 655, 1199, 1375, 1441, 2725, 3275, 5995, 7205, 13625, 14279, 16375, 29975, 36025, 71395, 149875, 157069, 180125, 356975, 785345, 1784875, 3926725, 19633625]

約数ペア:

[(1, 19633625), (5, 3926725), (11, 1784875), (25, 785345), (55, 356975), (109, 180125), (125, 157069), (131, 149875), (275, 71395), (545, 36025), (655, 29975), (1199, 16375), (1375, 14279), (1441, 13625), (2725, 7205), (3275, 5995)]