19838490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5557}}^1$

素因数の和:5591

約数の個数: 64

約数和(自身を含む): 57625344

約数和(自身を除く): 37786854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5557, 11114, 16671, 27785, 33342, 38899, 55570, 77798, 83355, 94469, 116697, 166710, 188938, 194495, 233394, 283407, 388990, 472345, 566814, 583485, 661283, 944690, 1166970, 1322566, 1417035, 1983849, 2834070, 3306415, 3967698, 6612830, 9919245, 19838490]

約数ペア:

[(1, 19838490), (2, 9919245), (3, 6612830), (5, 3967698), (6, 3306415), (7, 2834070), (10, 1983849), (14, 1417035), (15, 1322566), (17, 1166970), (21, 944690), (30, 661283), (34, 583485), (35, 566814), (42, 472345), (51, 388990), (70, 283407), (85, 233394), (102, 194495), (105, 188938), (119, 166710), (170, 116697), (210, 94469), (238, 83355), (255, 77798), (357, 55570), (510, 38899), (595, 33342), (714, 27785), (1190, 16671), (1785, 11114), (3570, 5557)]