19158320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14087}}^1$

素因数の和:14117

約数の個数: 40

約数和(自身を含む): 47166624

約数和(自身を除く): 28008304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14087, 28174, 56348, 70435, 112696, 140870, 225392, 239479, 281740, 478958, 563480, 957916, 1126960, 1197395, 1915832, 2394790, 3831664, 4789580, 9579160, 19158320]

約数ペア:

[(1, 19158320), (2, 9579160), (4, 4789580), (5, 3831664), (8, 2394790), (10, 1915832), (16, 1197395), (17, 1126960), (20, 957916), (34, 563480), (40, 478958), (68, 281740), (80, 239479), (85, 225392), (136, 140870), (170, 112696), (272, 70435), (340, 56348), (680, 28174), (1360, 14087)]