19636485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 16113915

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 121, 155, 165, 341, 349, 363, 465, 605, 1023, 1047, 1705, 1745, 1815, 3751, 3839, 5115, 5235, 10819, 11253, 11517, 18755, 19195, 32457, 42229, 54095, 56265, 57585, 119009, 126687, 162285, 211145, 357027, 595045, 633435, 1309099, 1785135, 3927297, 6545495, 19636485]

約数ペア:

[(1, 19636485), (3, 6545495), (5, 3927297), (11, 1785135), (15, 1309099), (31, 633435), (33, 595045), (55, 357027), (93, 211145), (121, 162285), (155, 126687), (165, 119009), (341, 57585), (349, 56265), (363, 54095), (465, 42229), (605, 32457), (1023, 19195), (1047, 18755), (1705, 11517), (1745, 11253), (1815, 10819), (3751, 5235), (3839, 5115)]