19432746

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 44606016

約数和(自身を除く): 25173270

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 73, 138, 146, 207, 219, 414, 438, 643, 657, 1286, 1314, 1679, 1929, 3358, 3858, 5037, 5787, 10074, 11574, 14789, 15111, 29578, 30222, 44367, 46939, 88734, 93878, 133101, 140817, 266202, 281634, 422451, 844902, 1079597, 2159194, 3238791, 6477582, 9716373, 19432746]

約数ペア:

[(1, 19432746), (2, 9716373), (3, 6477582), (6, 3238791), (9, 2159194), (18, 1079597), (23, 844902), (46, 422451), (69, 281634), (73, 266202), (138, 140817), (146, 133101), (207, 93878), (219, 88734), (414, 46939), (438, 44367), (643, 30222), (657, 29578), (1286, 15111), (1314, 14789), (1679, 11574), (1929, 10074), (3358, 5787), (3858, 5037)]