19221615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 19216785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 315, 417, 439, 695, 973, 1251, 1317, 2085, 2195, 2919, 3073, 3951, 4865, 6255, 6585, 8757, 9219, 14595, 15365, 19755, 27657, 43785, 46095, 61021, 138285, 183063, 305105, 427147, 549189, 915315, 1281441, 2135735, 2745945, 3844323, 6407205, 19221615]

約数ペア:

[(1, 19221615), (3, 6407205), (5, 3844323), (7, 2745945), (9, 2135735), (15, 1281441), (21, 915315), (35, 549189), (45, 427147), (63, 305105), (105, 183063), (139, 138285), (315, 61021), (417, 46095), (439, 43785), (695, 27657), (973, 19755), (1251, 15365), (1317, 14595), (2085, 9219), (2195, 8757), (2919, 6585), (3073, 6255), (3951, 4865)]