19551455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 29956608

約数和(自身を除く): 10405153

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1181, 1505, 2365, 3311, 5905, 8267, 12991, 16555, 41335, 50783, 64955, 90937, 253915, 355481, 454685, 558613, 1777405, 2793065, 3910291, 19551455]

約数ペア:

[(1, 19551455), (5, 3910291), (7, 2793065), (11, 1777405), (35, 558613), (43, 454685), (55, 355481), (77, 253915), (215, 90937), (301, 64955), (385, 50783), (473, 41335), (1181, 16555), (1505, 12991), (2365, 8267), (3311, 5905)]