18389916

素因数分解:

$2^2\times 3^4\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:496

約数の個数: 60

約数和(自身を含む): 48482280

約数和(自身を除く): 30092364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 211, 269, 324, 422, 538, 633, 807, 844, 1076, 1266, 1614, 1899, 2421, 2532, 3228, 3798, 4842, 5697, 7263, 7596, 9684, 11394, 14526, 17091, 21789, 22788, 29052, 34182, 43578, 56759, 68364, 87156, 113518, 170277, 227036, 340554, 510831, 681108, 1021662, 1532493, 2043324, 3064986, 4597479, 6129972, 9194958, 18389916]

約数ペア:

[(1, 18389916), (2, 9194958), (3, 6129972), (4, 4597479), (6, 3064986), (9, 2043324), (12, 1532493), (18, 1021662), (27, 681108), (36, 510831), (54, 340554), (81, 227036), (108, 170277), (162, 113518), (211, 87156), (269, 68364), (324, 56759), (422, 43578), (538, 34182), (633, 29052), (807, 22788), (844, 21789), (1076, 17091), (1266, 14526), (1614, 11394), (1899, 9684), (2421, 7596), (2532, 7263), (3228, 5697), (3798, 4842)]