19917324

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1613}}^1$

素因数の和:1644

約数の個数: 72

約数和(自身を含む): 58749600

約数和(自身を除く): 38832276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1613, 1764, 2058, 3087, 3226, 4116, 4839, 6174, 6452, 9678, 11291, 12348, 14517, 19356, 22582, 29034, 33873, 45164, 58068, 67746, 79037, 101619, 135492, 158074, 203238, 237111, 316148, 406476, 474222, 553259, 711333, 948444, 1106518, 1422666, 1659777, 2213036, 2845332, 3319554, 4979331, 6639108, 9958662, 19917324]

約数ペア:

[(1, 19917324), (2, 9958662), (3, 6639108), (4, 4979331), (6, 3319554), (7, 2845332), (9, 2213036), (12, 1659777), (14, 1422666), (18, 1106518), (21, 948444), (28, 711333), (36, 553259), (42, 474222), (49, 406476), (63, 316148), (84, 237111), (98, 203238), (126, 158074), (147, 135492), (196, 101619), (252, 79037), (294, 67746), (343, 58068), (441, 45164), (588, 33873), (686, 29034), (882, 22582), (1029, 19356), (1372, 14517), (1613, 12348), (1764, 11291), (2058, 9678), (3087, 6452), (3226, 6174), (4116, 4839)]