18868716

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4001}}^1$

素因数の和:4142

約数の個数: 36

約数和(自身を含む): 48072024

約数和(自身を除く): 29203308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4001, 4716, 8002, 12003, 16004, 24006, 36009, 48012, 72018, 144036, 524131, 1048262, 1572393, 2096524, 3144786, 4717179, 6289572, 9434358, 18868716]

約数ペア:

[(1, 18868716), (2, 9434358), (3, 6289572), (4, 4717179), (6, 3144786), (9, 2096524), (12, 1572393), (18, 1048262), (36, 524131), (131, 144036), (262, 72018), (393, 48012), (524, 36009), (786, 24006), (1179, 16004), (1572, 12003), (2358, 8002), (4001, 4716)]