18814484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 37867200

約数和(自身を除く): 19052716

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 137, 139, 247, 274, 278, 494, 548, 556, 988, 1781, 1807, 2603, 2641, 3562, 3614, 5206, 5282, 7124, 7228, 10412, 10564, 19043, 33839, 34333, 38086, 67678, 68666, 76172, 135356, 137332, 247559, 361817, 495118, 723634, 990236, 1447268, 4703621, 9407242, 18814484]

約数ペア:

[(1, 18814484), (2, 9407242), (4, 4703621), (13, 1447268), (19, 990236), (26, 723634), (38, 495118), (52, 361817), (76, 247559), (137, 137332), (139, 135356), (247, 76172), (274, 68666), (278, 67678), (494, 38086), (548, 34333), (556, 33839), (988, 19043), (1781, 10564), (1807, 10412), (2603, 7228), (2641, 7124), (3562, 5282), (3614, 5206)]