19957260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{683}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 56077056

約数和(自身を除く): 36119796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 683, 974, 1366, 1461, 1948, 2049, 2435, 2732, 2922, 3415, 4098, 4870, 5844, 6830, 7305, 8196, 9740, 10245, 13660, 14610, 20490, 29220, 40980, 332621, 665242, 997863, 1330484, 1663105, 1995726, 3326210, 3991452, 4989315, 6652420, 9978630, 19957260]

約数ペア:

[(1, 19957260), (2, 9978630), (3, 6652420), (4, 4989315), (5, 3991452), (6, 3326210), (10, 1995726), (12, 1663105), (15, 1330484), (20, 997863), (30, 665242), (60, 332621), (487, 40980), (683, 29220), (974, 20490), (1366, 14610), (1461, 13660), (1948, 10245), (2049, 9740), (2435, 8196), (2732, 7305), (2922, 6830), (3415, 5844), (4098, 4870)]