18880182

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 44098560

約数和(自身を除く): 25218378

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 47, 54, 86, 94, 129, 141, 173, 258, 282, 346, 387, 423, 519, 774, 846, 1038, 1161, 1269, 1557, 2021, 2322, 2538, 3114, 4042, 4671, 6063, 7439, 8131, 9342, 12126, 14878, 16262, 18189, 22317, 24393, 36378, 44634, 48786, 54567, 66951, 73179, 109134, 133902, 146358, 200853, 219537, 349633, 401706, 439074, 699266, 1048899, 2097798, 3146697, 6293394, 9440091, 18880182]

約数ペア:

[(1, 18880182), (2, 9440091), (3, 6293394), (6, 3146697), (9, 2097798), (18, 1048899), (27, 699266), (43, 439074), (47, 401706), (54, 349633), (86, 219537), (94, 200853), (129, 146358), (141, 133902), (173, 109134), (258, 73179), (282, 66951), (346, 54567), (387, 48786), (423, 44634), (519, 36378), (774, 24393), (846, 22317), (1038, 18189), (1161, 16262), (1269, 14878), (1557, 12126), (2021, 9342), (2322, 8131), (2538, 7439), (3114, 6063), (4042, 4671)]