19984626

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 44744544

約数和(自身を除く): 24759918

約数列:

[1, 2, 3, 6, 9, 18, 67, 73, 134, 146, 201, 219, 227, 402, 438, 454, 603, 657, 681, 1206, 1314, 1362, 2043, 4086, 4891, 9782, 14673, 15209, 16571, 29346, 30418, 33142, 44019, 45627, 49713, 88038, 91254, 99426, 136881, 149139, 273762, 298278, 1110257, 2220514, 3330771, 6661542, 9992313, 19984626]

約数ペア:

[(1, 19984626), (2, 9992313), (3, 6661542), (6, 3330771), (9, 2220514), (18, 1110257), (67, 298278), (73, 273762), (134, 149139), (146, 136881), (201, 99426), (219, 91254), (227, 88038), (402, 49713), (438, 45627), (454, 44019), (603, 33142), (657, 30418), (681, 29346), (1206, 16571), (1314, 15209), (1362, 14673), (2043, 9782), (4086, 4891)]