19681125

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 33825792

約数和(自身を除く): 14144667

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 465, 775, 1693, 2325, 3875, 5079, 8465, 11625, 25395, 42325, 52483, 126975, 157449, 211625, 262415, 634875, 787245, 1312075, 3936225, 6560375, 19681125]

約数ペア:

[(1, 19681125), (3, 6560375), (5, 3936225), (15, 1312075), (25, 787245), (31, 634875), (75, 262415), (93, 211625), (125, 157449), (155, 126975), (375, 52483), (465, 42325), (775, 25395), (1693, 11625), (2325, 8465), (3875, 5079)]