18855666

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:740

約数の個数: 40

約数和(自身を含む): 42514560

約数和(自身を除く): 23658894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 487, 717, 974, 1434, 1461, 2151, 2922, 4302, 4383, 6453, 8766, 12906, 13149, 19359, 26298, 38718, 39447, 78894, 116393, 232786, 349179, 698358, 1047537, 2095074, 3142611, 6285222, 9427833, 18855666]

約数ペア:

[(1, 18855666), (2, 9427833), (3, 6285222), (6, 3142611), (9, 2095074), (18, 1047537), (27, 698358), (54, 349179), (81, 232786), (162, 116393), (239, 78894), (478, 39447), (487, 38718), (717, 26298), (974, 19359), (1434, 13149), (1461, 12906), (2151, 8766), (2922, 6453), (4302, 4383)]