18986238

素因数分解:

$2^1\times 3^4\times {\mathrm{233}}^1\times {\mathrm{503}}^1$

素因数の和:750

約数の個数: 40

約数和(自身を含む): 42810768

約数和(自身を除く): 23824530

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 233, 466, 503, 699, 1006, 1398, 1509, 2097, 3018, 4194, 4527, 6291, 9054, 12582, 13581, 18873, 27162, 37746, 40743, 81486, 117199, 234398, 351597, 703194, 1054791, 2109582, 3164373, 6328746, 9493119, 18986238]

約数ペア:

[(1, 18986238), (2, 9493119), (3, 6328746), (6, 3164373), (9, 2109582), (18, 1054791), (27, 703194), (54, 351597), (81, 234398), (162, 117199), (233, 81486), (466, 40743), (503, 37746), (699, 27162), (1006, 18873), (1398, 13581), (1509, 12582), (2097, 9054), (3018, 6291), (4194, 4527)]