18971256

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 31209864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 593, 744, 1032, 1186, 1333, 1779, 2372, 2666, 3558, 3999, 4744, 5332, 7116, 7998, 10664, 14232, 15996, 18383, 25499, 31992, 36766, 50998, 55149, 73532, 76497, 101996, 110298, 147064, 152994, 203992, 220596, 305988, 441192, 611976, 790469, 1580938, 2371407, 3161876, 4742814, 6323752, 9485628, 18971256]

約数ペア:

[(1, 18971256), (2, 9485628), (3, 6323752), (4, 4742814), (6, 3161876), (8, 2371407), (12, 1580938), (24, 790469), (31, 611976), (43, 441192), (62, 305988), (86, 220596), (93, 203992), (124, 152994), (129, 147064), (172, 110298), (186, 101996), (248, 76497), (258, 73532), (344, 55149), (372, 50998), (516, 36766), (593, 31992), (744, 25499), (1032, 18383), (1186, 15996), (1333, 14232), (1779, 10664), (2372, 7998), (2666, 7116), (3558, 5332), (3999, 4744)]