18229880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8599}}^1$

素因数の和:8663

約数の個数: 32

約数和(自身を含む): 41796000

約数和(自身を除く): 23566120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8599, 17198, 34396, 42995, 68792, 85990, 171980, 343960, 455747, 911494, 1822988, 2278735, 3645976, 4557470, 9114940, 18229880]

約数ペア:

[(1, 18229880), (2, 9114940), (4, 4557470), (5, 3645976), (8, 2278735), (10, 1822988), (20, 911494), (40, 455747), (53, 343960), (106, 171980), (212, 85990), (265, 68792), (424, 42995), (530, 34396), (1060, 17198), (2120, 8599)]