18931625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 25608960

約数和(自身を除く): 6677335

約数列:

[1, 5, 17, 25, 59, 85, 125, 151, 295, 425, 755, 1003, 1475, 2125, 2567, 3775, 5015, 7375, 8909, 12835, 18875, 25075, 44545, 64175, 125375, 151453, 222725, 320875, 757265, 1113625, 3786325, 18931625]

約数ペア:

[(1, 18931625), (5, 3786325), (17, 1113625), (25, 757265), (59, 320875), (85, 222725), (125, 151453), (151, 125375), (295, 64175), (425, 44545), (755, 25075), (1003, 18875), (1475, 12835), (2125, 8909), (2567, 7375), (3775, 5015)]