18803122

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2290

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15065678

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2239, 4199, 4478, 8398, 29107, 38063, 42541, 58214, 76126, 85082, 494819, 553033, 723197, 989638, 1106066, 1446394, 9401561, 18803122]

約数ペア:

[(1, 18803122), (2, 9401561), (13, 1446394), (17, 1106066), (19, 989638), (26, 723197), (34, 553033), (38, 494819), (221, 85082), (247, 76126), (323, 58214), (442, 42541), (494, 38063), (646, 29107), (2239, 8398), (4199, 4478)]