19517316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 57163008

約数和(自身を除く): 37645692

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 61, 78, 84, 91, 122, 156, 182, 183, 244, 273, 293, 364, 366, 427, 546, 586, 732, 793, 854, 879, 1092, 1172, 1281, 1586, 1708, 1758, 2051, 2379, 2562, 3172, 3516, 3809, 4102, 4758, 5124, 5551, 6153, 7618, 8204, 9516, 11102, 11427, 12306, 15236, 16653, 17873, 22204, 22854, 24612, 26663, 33306, 35746, 45708, 53326, 53619, 66612, 71492, 79989, 106652, 107238, 125111, 159978, 214476, 232349, 250222, 319956, 375333, 464698, 500444, 697047, 750666, 929396, 1394094, 1501332, 1626443, 2788188, 3252886, 4879329, 6505772, 9758658, 19517316]

約数ペア:

[(1, 19517316), (2, 9758658), (3, 6505772), (4, 4879329), (6, 3252886), (7, 2788188), (12, 1626443), (13, 1501332), (14, 1394094), (21, 929396), (26, 750666), (28, 697047), (39, 500444), (42, 464698), (52, 375333), (61, 319956), (78, 250222), (84, 232349), (91, 214476), (122, 159978), (156, 125111), (182, 107238), (183, 106652), (244, 79989), (273, 71492), (293, 66612), (364, 53619), (366, 53326), (427, 45708), (546, 35746), (586, 33306), (732, 26663), (793, 24612), (854, 22854), (879, 22204), (1092, 17873), (1172, 16653), (1281, 15236), (1586, 12306), (1708, 11427), (1758, 11102), (2051, 9516), (2379, 8204), (2562, 7618), (3172, 6153), (3516, 5551), (3809, 5124), (4102, 4758)]