19159218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 48

約数和(自身を含む): 45818136

約数和(自身を除く): 26658918

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 1997, 3198, 3994, 4797, 5991, 9594, 11982, 17973, 25961, 35946, 51922, 77883, 81877, 155766, 163754, 233649, 245631, 467298, 491262, 736893, 1064401, 1473786, 2128802, 3193203, 6386406, 9579609, 19159218]

約数ペア:

[(1, 19159218), (2, 9579609), (3, 6386406), (6, 3193203), (9, 2128802), (13, 1473786), (18, 1064401), (26, 736893), (39, 491262), (41, 467298), (78, 245631), (82, 233649), (117, 163754), (123, 155766), (234, 81877), (246, 77883), (369, 51922), (533, 35946), (738, 25961), (1066, 17973), (1599, 11982), (1997, 9594), (3198, 5991), (3994, 4797)]