19900413

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4597}}^1$

素因数の和:4653

約数の個数: 24

約数和(自身を含む): 31799768

約数和(自身を除く): 11899355

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4597, 13791, 41373, 59761, 170089, 179283, 510267, 537849, 1530801, 2211157, 6633471, 19900413]

約数ペア:

[(1, 19900413), (3, 6633471), (9, 2211157), (13, 1530801), (37, 537849), (39, 510267), (111, 179283), (117, 170089), (333, 59761), (481, 41373), (1443, 13791), (4329, 4597)]