19500320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:802

約数の個数: 96

約数和(自身を含む): 55012608

約数和(自身を除く): 35512288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 757, 805, 920, 1120, 1288, 1514, 1610, 1840, 2576, 3028, 3220, 3680, 3785, 5152, 5299, 6056, 6440, 7570, 10598, 12112, 12880, 15140, 17411, 21196, 24224, 25760, 26495, 30280, 34822, 42392, 52990, 60560, 69644, 84784, 87055, 105980, 121120, 121877, 139288, 169568, 174110, 211960, 243754, 278576, 348220, 423920, 487508, 557152, 609385, 696440, 847840, 975016, 1218770, 1392880, 1950032, 2437540, 2785760, 3900064, 4875080, 9750160, 19500320]

約数ペア:

[(1, 19500320), (2, 9750160), (4, 4875080), (5, 3900064), (7, 2785760), (8, 2437540), (10, 1950032), (14, 1392880), (16, 1218770), (20, 975016), (23, 847840), (28, 696440), (32, 609385), (35, 557152), (40, 487508), (46, 423920), (56, 348220), (70, 278576), (80, 243754), (92, 211960), (112, 174110), (115, 169568), (140, 139288), (160, 121877), (161, 121120), (184, 105980), (224, 87055), (230, 84784), (280, 69644), (322, 60560), (368, 52990), (460, 42392), (560, 34822), (644, 30280), (736, 26495), (757, 25760), (805, 24224), (920, 21196), (1120, 17411), (1288, 15140), (1514, 12880), (1610, 12112), (1840, 10598), (2576, 7570), (3028, 6440), (3220, 6056), (3680, 5299), (3785, 5152)]