15990552

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{11689}}^1$

素因数の和:11720

約数の個数: 48

約数和(自身を含む): 45591000

約数和(自身を除く): 29600448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 11689, 23378, 35067, 46756, 70134, 93512, 105201, 140268, 210402, 222091, 280536, 420804, 444182, 666273, 841608, 888364, 1332546, 1776728, 1998819, 2665092, 3997638, 5330184, 7995276, 15990552]

約数ペア:

[(1, 15990552), (2, 7995276), (3, 5330184), (4, 3997638), (6, 2665092), (8, 1998819), (9, 1776728), (12, 1332546), (18, 888364), (19, 841608), (24, 666273), (36, 444182), (38, 420804), (57, 280536), (72, 222091), (76, 210402), (114, 140268), (152, 105201), (171, 93512), (228, 70134), (342, 46756), (456, 35067), (684, 23378), (1368, 11689)]