19919268

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6217}}^1$

素因数の和:6316

約数の個数: 36

約数和(自身を含む): 50925420

約数和(自身を除く): 31006152

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6217, 12434, 18651, 24868, 37302, 55953, 74604, 111906, 223812, 553313, 1106626, 1659939, 2213252, 3319878, 4979817, 6639756, 9959634, 19919268]

約数ペア:

[(1, 19919268), (2, 9959634), (3, 6639756), (4, 4979817), (6, 3319878), (9, 2213252), (12, 1659939), (18, 1106626), (36, 553313), (89, 223812), (178, 111906), (267, 74604), (356, 55953), (534, 37302), (801, 24868), (1068, 18651), (1602, 12434), (3204, 6217)]