17967996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 48448400

約数和(自身を除く): 30480404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 241, 327, 342, 436, 482, 654, 684, 723, 964, 981, 1308, 1446, 1962, 2071, 2169, 2892, 3924, 4142, 4338, 4579, 6213, 8284, 8676, 9158, 12426, 13737, 18316, 18639, 24852, 26269, 27474, 37278, 41211, 52538, 54948, 74556, 78807, 82422, 105076, 157614, 164844, 236421, 315228, 472842, 499111, 945684, 998222, 1497333, 1996444, 2994666, 4491999, 5989332, 8983998, 17967996]

約数ペア:

[(1, 17967996), (2, 8983998), (3, 5989332), (4, 4491999), (6, 2994666), (9, 1996444), (12, 1497333), (18, 998222), (19, 945684), (36, 499111), (38, 472842), (57, 315228), (76, 236421), (109, 164844), (114, 157614), (171, 105076), (218, 82422), (228, 78807), (241, 74556), (327, 54948), (342, 52538), (436, 41211), (482, 37278), (654, 27474), (684, 26269), (723, 24852), (964, 18639), (981, 18316), (1308, 13737), (1446, 12426), (1962, 9158), (2071, 8676), (2169, 8284), (2892, 6213), (3924, 4579), (4142, 4338)]