18996876848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1887607}}^1$

素因数の和:1887669

約数の個数: 40

約数和(自身を含む): 40024840032

約数和(自身を除く): 21027963184

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2516, 5032, 10064, 1887607, 3775214, 7550428, 15100856, 30201712, 32089319, 64178638, 69841459, 128357276, 139682918, 256714552, 279365836, 513429104, 558731672, 1117463344, 1187304803, 2374609606, 4749219212, 9498438424, 18996876848]

約数ペア:

[(1, 18996876848), (2, 9498438424), (4, 4749219212), (8, 2374609606), (16, 1187304803), (17, 1117463344), (34, 558731672), (37, 513429104), (68, 279365836), (74, 256714552), (136, 139682918), (148, 128357276), (272, 69841459), (296, 64178638), (592, 32089319), (629, 30201712), (1258, 15100856), (2516, 7550428), (5032, 3775214), (10064, 1887607)]