15987438

素因数分解:

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

素因数の和:150

約数の個数: 48

約数和(自身を含む): 36709920

約数和(自身を除く): 20722482

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 73, 138, 146, 207, 219, 414, 438, 529, 657, 1058, 1314, 1587, 1679, 3174, 3358, 4761, 5037, 9522, 10074, 12167, 15111, 24334, 30222, 36501, 38617, 73002, 77234, 109503, 115851, 219006, 231702, 347553, 695106, 888191, 1776382, 2664573, 5329146, 7993719, 15987438]

約数ペア:

[(1, 15987438), (2, 7993719), (3, 5329146), (6, 2664573), (9, 1776382), (18, 888191), (23, 695106), (46, 347553), (69, 231702), (73, 219006), (138, 115851), (146, 109503), (207, 77234), (219, 73002), (414, 38617), (438, 36501), (529, 30222), (657, 24334), (1058, 15111), (1314, 12167), (1587, 10074), (1679, 9522), (3174, 5037), (3358, 4761)]