18878148

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4003}}^1$

素因数の和:4144

約数の個数: 36

約数和(自身を含む): 48096048

約数和(自身を除く): 29217900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4003, 4716, 8006, 12009, 16012, 24018, 36027, 48036, 72054, 144108, 524393, 1048786, 1573179, 2097572, 3146358, 4719537, 6292716, 9439074, 18878148]

約数ペア:

[(1, 18878148), (2, 9439074), (3, 6292716), (4, 4719537), (6, 3146358), (9, 2097572), (12, 1573179), (18, 1048786), (36, 524393), (131, 144108), (262, 72054), (393, 48036), (524, 36027), (786, 24018), (1179, 16012), (1572, 12009), (2358, 8006), (4003, 4716)]