18990108

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{5927}}^1$

素因数の和:6026

約数の個数: 36

約数和(自身を含む): 48550320

約数和(自身を除く): 29560212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 5927, 11854, 17781, 23708, 35562, 53343, 71124, 106686, 213372, 527503, 1055006, 1582509, 2110012, 3165018, 4747527, 6330036, 9495054, 18990108]

約数ペア:

[(1, 18990108), (2, 9495054), (3, 6330036), (4, 4747527), (6, 3165018), (9, 2110012), (12, 1582509), (18, 1055006), (36, 527503), (89, 213372), (178, 106686), (267, 71124), (356, 53343), (534, 35562), (801, 23708), (1068, 17781), (1602, 11854), (3204, 5927)]