19613715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4099}}^1$

素因数の和:4147

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 15810285

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4099, 4785, 12297, 20495, 45089, 61485, 118871, 135267, 225445, 356613, 594355, 676335, 1307581, 1783065, 3922743, 6537905, 19613715]

約数ペア:

[(1, 19613715), (3, 6537905), (5, 3922743), (11, 1783065), (15, 1307581), (29, 676335), (33, 594355), (55, 356613), (87, 225445), (145, 135267), (165, 118871), (319, 61485), (435, 45089), (957, 20495), (1595, 12297), (4099, 4785)]