19608399

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 32148480

約数和(自身を除く): 12540081

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 137, 171, 243, 279, 411, 513, 589, 837, 1233, 1539, 1767, 2511, 2603, 3699, 4247, 4617, 5301, 7533, 7809, 11097, 12741, 15903, 23427, 33291, 38223, 47709, 70281, 80693, 114669, 143127, 210843, 242079, 344007, 632529, 726237, 1032021, 2178711, 6536133, 19608399]

約数ペア:

[(1, 19608399), (3, 6536133), (9, 2178711), (19, 1032021), (27, 726237), (31, 632529), (57, 344007), (81, 242079), (93, 210843), (137, 143127), (171, 114669), (243, 80693), (279, 70281), (411, 47709), (513, 38223), (589, 33291), (837, 23427), (1233, 15903), (1539, 12741), (1767, 11097), (2511, 7809), (2603, 7533), (3699, 5301), (4247, 4617)]