18990042

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 41196288

約数和(自身を除く): 22206246

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 186, 193, 386, 529, 579, 713, 1058, 1158, 1426, 1587, 2139, 3174, 4278, 4439, 5983, 8878, 11966, 13317, 16399, 17949, 26634, 32798, 35898, 49197, 98394, 102097, 137609, 204194, 275218, 306291, 412827, 612582, 825654, 3165007, 6330014, 9495021, 18990042]

約数ペア:

[(1, 18990042), (2, 9495021), (3, 6330014), (6, 3165007), (23, 825654), (31, 612582), (46, 412827), (62, 306291), (69, 275218), (93, 204194), (138, 137609), (186, 102097), (193, 98394), (386, 49197), (529, 35898), (579, 32798), (713, 26634), (1058, 17949), (1158, 16399), (1426, 13317), (1587, 11966), (2139, 8878), (3174, 5983), (4278, 4439)]