19722810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15289}}^1$

素因数の和:15342

約数の個数: 32

約数和(自身を含む): 48438720

約数和(自身を除く): 28715910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15289, 30578, 45867, 76445, 91734, 152890, 229335, 458670, 657427, 1314854, 1972281, 3287135, 3944562, 6574270, 9861405, 19722810]

約数ペア:

[(1, 19722810), (2, 9861405), (3, 6574270), (5, 3944562), (6, 3287135), (10, 1972281), (15, 1314854), (30, 657427), (43, 458670), (86, 229335), (129, 152890), (215, 91734), (258, 76445), (430, 45867), (645, 30578), (1290, 15289)]