19391528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 39470760

約数和(自身を除く): 20079232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1361, 1781, 2722, 3562, 5444, 7124, 10888, 14248, 17693, 35386, 70772, 141544, 186457, 372914, 745828, 1491656, 2423941, 4847882, 9695764, 19391528]

約数ペア:

[(1, 19391528), (2, 9695764), (4, 4847882), (8, 2423941), (13, 1491656), (26, 745828), (52, 372914), (104, 186457), (137, 141544), (274, 70772), (548, 35386), (1096, 17693), (1361, 14248), (1781, 10888), (2722, 7124), (3562, 5444)]