18176220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 55495440

約数和(自身を除く): 37319220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 419, 482, 723, 838, 964, 1205, 1257, 1446, 1676, 2095, 2169, 2410, 2514, 2892, 3615, 3771, 4190, 4338, 4820, 5028, 6285, 7230, 7542, 8380, 8676, 10845, 12570, 14460, 15084, 18855, 21690, 25140, 37710, 43380, 75420, 100979, 201958, 302937, 403916, 504895, 605874, 908811, 1009790, 1211748, 1514685, 1817622, 2019580, 3029370, 3635244, 4544055, 6058740, 9088110, 18176220]

約数ペア:

[(1, 18176220), (2, 9088110), (3, 6058740), (4, 4544055), (5, 3635244), (6, 3029370), (9, 2019580), (10, 1817622), (12, 1514685), (15, 1211748), (18, 1009790), (20, 908811), (30, 605874), (36, 504895), (45, 403916), (60, 302937), (90, 201958), (180, 100979), (241, 75420), (419, 43380), (482, 37710), (723, 25140), (838, 21690), (964, 18855), (1205, 15084), (1257, 14460), (1446, 12570), (1676, 10845), (2095, 8676), (2169, 8380), (2410, 7542), (2514, 7230), (2892, 6285), (3615, 5028), (3771, 4820), (4190, 4338)]