19981488

素因数分解:

$2^4\times 3^1\times {\mathrm{416281}}^1$

素因数の和:416292

約数の個数: 20

約数和(自身を含む): 51618968

約数和(自身を除く): 31637480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 416281, 832562, 1248843, 1665124, 2497686, 3330248, 4995372, 6660496, 9990744, 19981488]

約数ペア:

[(1, 19981488), (2, 9990744), (3, 6660496), (4, 4995372), (6, 3330248), (8, 2497686), (12, 1665124), (16, 1248843), (24, 832562), (48, 416281)]