18861498

素因数分解:

$2^1\times 3^4\times {\mathrm{173}}^1\times {\mathrm{673}}^1$

素因数の和:860

約数の個数: 40

約数和(自身を含む): 42571188

約数和(自身を除く): 23709690

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 173, 346, 519, 673, 1038, 1346, 1557, 2019, 3114, 4038, 4671, 6057, 9342, 12114, 14013, 18171, 28026, 36342, 54513, 109026, 116429, 232858, 349287, 698574, 1047861, 2095722, 3143583, 6287166, 9430749, 18861498]

約数ペア:

[(1, 18861498), (2, 9430749), (3, 6287166), (6, 3143583), (9, 2095722), (18, 1047861), (27, 698574), (54, 349287), (81, 232858), (162, 116429), (173, 109026), (346, 54513), (519, 36342), (673, 28026), (1038, 18171), (1346, 14013), (1557, 12114), (2019, 9342), (3114, 6057), (4038, 4671)]