18996909116

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{12959}}^1\times {\mathrm{4639}}^1$

素因数の和:17681

約数の個数: 24

約数和(自身を含む): 33675264000

約数和(自身を除く): 14678354884

約数列:

[1, 2, 4, 79, 158, 316, 4639, 9278, 12959, 18556, 25918, 51836, 366481, 732962, 1023761, 1465924, 2047522, 4095044, 60116801, 120233602, 240467204, 4749227279, 9498454558, 18996909116]

約数ペア:

[(1, 18996909116), (2, 9498454558), (4, 4749227279), (79, 240467204), (158, 120233602), (316, 60116801), (4639, 4095044), (9278, 2047522), (12959, 1465924), (18556, 1023761), (25918, 732962), (51836, 366481)]