19803615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2477}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 34969536

約数和(自身を除く): 15165921

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2477, 2665, 7431, 7995, 12385, 32201, 37155, 96603, 101557, 161005, 304671, 483015, 507785, 1320241, 1523355, 3960723, 6601205, 19803615]

約数ペア:

[(1, 19803615), (3, 6601205), (5, 3960723), (13, 1523355), (15, 1320241), (39, 507785), (41, 483015), (65, 304671), (123, 161005), (195, 101557), (205, 96603), (533, 37155), (615, 32201), (1599, 12385), (2477, 7995), (2665, 7431)]