19945485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 41243904

約数和(自身を除く): 21298419

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2753, 7245, 8259, 13765, 19271, 24777, 41295, 57813, 63319, 96355, 123885, 173439, 189957, 289065, 316595, 443233, 569871, 867195, 949785, 1329699, 2216165, 2849355, 3989097, 6648495, 19945485]

約数ペア:

[(1, 19945485), (3, 6648495), (5, 3989097), (7, 2849355), (9, 2216165), (15, 1329699), (21, 949785), (23, 867195), (35, 569871), (45, 443233), (63, 316595), (69, 289065), (105, 189957), (115, 173439), (161, 123885), (207, 96355), (315, 63319), (345, 57813), (483, 41295), (805, 24777), (1035, 19271), (1449, 13765), (2415, 8259), (2753, 7245)]