19205004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 56573440

約数和(自身を除く): 37368436

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 409, 516, 546, 559, 602, 818, 903, 1092, 1118, 1204, 1227, 1636, 1677, 1806, 2236, 2454, 2863, 3354, 3612, 3913, 4908, 5317, 5726, 6708, 7826, 8589, 10634, 11452, 11739, 15652, 15951, 17178, 17587, 21268, 23478, 31902, 34356, 35174, 37219, 46956, 52761, 63804, 70348, 74438, 105522, 111657, 123109, 148876, 211044, 223314, 228631, 246218, 369327, 446628, 457262, 492436, 685893, 738654, 914524, 1371786, 1477308, 1600417, 2743572, 3200834, 4801251, 6401668, 9602502, 19205004]

約数ペア:

[(1, 19205004), (2, 9602502), (3, 6401668), (4, 4801251), (6, 3200834), (7, 2743572), (12, 1600417), (13, 1477308), (14, 1371786), (21, 914524), (26, 738654), (28, 685893), (39, 492436), (42, 457262), (43, 446628), (52, 369327), (78, 246218), (84, 228631), (86, 223314), (91, 211044), (129, 148876), (156, 123109), (172, 111657), (182, 105522), (258, 74438), (273, 70348), (301, 63804), (364, 52761), (409, 46956), (516, 37219), (546, 35174), (559, 34356), (602, 31902), (818, 23478), (903, 21268), (1092, 17587), (1118, 17178), (1204, 15951), (1227, 15652), (1636, 11739), (1677, 11452), (1806, 10634), (2236, 8589), (2454, 7826), (2863, 6708), (3354, 5726), (3612, 5317), (3913, 4908)]