19867224

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 64

約数和(自身を含む): 54966240

約数和(自身を除く): 35099016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1721, 1924, 2886, 3442, 3848, 5163, 5772, 6884, 10326, 11544, 13768, 20652, 22373, 41304, 44746, 63677, 67119, 89492, 127354, 134238, 178984, 191031, 254708, 268476, 382062, 509416, 536952, 764124, 827801, 1528248, 1655602, 2483403, 3311204, 4966806, 6622408, 9933612, 19867224]

約数ペア:

[(1, 19867224), (2, 9933612), (3, 6622408), (4, 4966806), (6, 3311204), (8, 2483403), (12, 1655602), (13, 1528248), (24, 827801), (26, 764124), (37, 536952), (39, 509416), (52, 382062), (74, 268476), (78, 254708), (104, 191031), (111, 178984), (148, 134238), (156, 127354), (222, 89492), (296, 67119), (312, 63677), (444, 44746), (481, 41304), (888, 22373), (962, 20652), (1443, 13768), (1721, 11544), (1924, 10326), (2886, 6884), (3442, 5772), (3848, 5163)]