18927825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 36950016

約数和(自身を除く): 18022191

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 525, 651, 775, 1085, 1163, 2325, 3255, 3489, 5425, 5815, 8141, 16275, 17445, 24423, 29075, 36053, 40705, 87225, 108159, 122115, 180265, 203525, 252371, 540795, 610575, 757113, 901325, 1261855, 2703975, 3785565, 6309275, 18927825]

約数ペア:

[(1, 18927825), (3, 6309275), (5, 3785565), (7, 2703975), (15, 1261855), (21, 901325), (25, 757113), (31, 610575), (35, 540795), (75, 252371), (93, 203525), (105, 180265), (155, 122115), (175, 108159), (217, 87225), (465, 40705), (525, 36053), (651, 29075), (775, 24423), (1085, 17445), (1163, 16275), (2325, 8141), (3255, 5815), (3489, 5425)]