19151600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 51663360

約数和(自身を除く): 32511760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 127, 130, 145, 200, 208, 232, 254, 260, 290, 325, 377, 400, 464, 508, 520, 580, 635, 650, 725, 754, 1016, 1040, 1160, 1270, 1300, 1450, 1508, 1651, 1885, 2032, 2320, 2540, 2600, 2900, 3016, 3175, 3302, 3683, 3770, 5080, 5200, 5800, 6032, 6350, 6604, 7366, 7540, 8255, 9425, 10160, 11600, 12700, 13208, 14732, 15080, 16510, 18415, 18850, 25400, 26416, 29464, 30160, 33020, 36830, 37700, 41275, 47879, 50800, 58928, 66040, 73660, 75400, 82550, 92075, 95758, 132080, 147320, 150800, 165100, 184150, 191516, 239395, 294640, 330200, 368300, 383032, 478790, 660400, 736600, 766064, 957580, 1196975, 1473200, 1915160, 2393950, 3830320, 4787900, 9575800, 19151600]

約数ペア:

[(1, 19151600), (2, 9575800), (4, 4787900), (5, 3830320), (8, 2393950), (10, 1915160), (13, 1473200), (16, 1196975), (20, 957580), (25, 766064), (26, 736600), (29, 660400), (40, 478790), (50, 383032), (52, 368300), (58, 330200), (65, 294640), (80, 239395), (100, 191516), (104, 184150), (116, 165100), (127, 150800), (130, 147320), (145, 132080), (200, 95758), (208, 92075), (232, 82550), (254, 75400), (260, 73660), (290, 66040), (325, 58928), (377, 50800), (400, 47879), (464, 41275), (508, 37700), (520, 36830), (580, 33020), (635, 30160), (650, 29464), (725, 26416), (754, 25400), (1016, 18850), (1040, 18415), (1160, 16510), (1270, 15080), (1300, 14732), (1450, 13208), (1508, 12700), (1651, 11600), (1885, 10160), (2032, 9425), (2320, 8255), (2540, 7540), (2600, 7366), (2900, 6604), (3016, 6350), (3175, 6032), (3302, 5800), (3683, 5200), (3770, 5080)]