19943625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4122

約数の個数: 32

約数和(自身を含む): 35747712

約数和(自身を除く): 15804087

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4091, 4875, 12273, 20455, 53183, 61365, 102275, 159549, 265915, 306825, 511375, 797745, 1329575, 1534125, 3988725, 6647875, 19943625]

約数ペア:

[(1, 19943625), (3, 6647875), (5, 3988725), (13, 1534125), (15, 1329575), (25, 797745), (39, 511375), (65, 306825), (75, 265915), (125, 159549), (195, 102275), (325, 61365), (375, 53183), (975, 20455), (1625, 12273), (4091, 4875)]