19341615

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 32034816

約数和(自身を除く): 12693201

約数列:

[1, 3, 5, 15, 43, 129, 157, 191, 215, 471, 573, 645, 785, 955, 2355, 2865, 6751, 8213, 20253, 24639, 29987, 33755, 41065, 89961, 101265, 123195, 149935, 449805, 1289441, 3868323, 6447205, 19341615]

約数ペア:

[(1, 19341615), (3, 6447205), (5, 3868323), (15, 1289441), (43, 449805), (129, 149935), (157, 123195), (191, 101265), (215, 89961), (471, 41065), (573, 33755), (645, 29987), (785, 24639), (955, 20253), (2355, 8213), (2865, 6751)]