19741036644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{351289}}^1$

素因数の和:351529

約数の個数: 72

約数和(自身を含む): 57285562880

約数和(自身を除く): 37544526236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 446, 669, 892, 1338, 1561, 2007, 2676, 3122, 4014, 4683, 6244, 8028, 9366, 14049, 18732, 28098, 56196, 351289, 702578, 1053867, 1405156, 2107734, 2459023, 3161601, 4215468, 4918046, 6323202, 7377069, 9836092, 12646404, 14754138, 22131207, 29508276, 44262414, 78337447, 88524828, 156674894, 235012341, 313349788, 470024682, 548362129, 705037023, 940049364, 1096724258, 1410074046, 1645086387, 2193448516, 2820148092, 3290172774, 4935259161, 6580345548, 9870518322, 19741036644]

約数ペア:

[(1, 19741036644), (2, 9870518322), (3, 6580345548), (4, 4935259161), (6, 3290172774), (7, 2820148092), (9, 2193448516), (12, 1645086387), (14, 1410074046), (18, 1096724258), (21, 940049364), (28, 705037023), (36, 548362129), (42, 470024682), (63, 313349788), (84, 235012341), (126, 156674894), (223, 88524828), (252, 78337447), (446, 44262414), (669, 29508276), (892, 22131207), (1338, 14754138), (1561, 12646404), (2007, 9836092), (2676, 7377069), (3122, 6323202), (4014, 4918046), (4683, 4215468), (6244, 3161601), (8028, 2459023), (9366, 2107734), (14049, 1405156), (18732, 1053867), (28098, 702578), (56196, 351289)]