19025951650

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{38557}}^1$

素因数の和:38779

約数の個数: 48

約数和(自身を含む): 36145811520

約数和(自身を除く): 17119859870

約数列:

[1, 2, 5, 10, 25, 50, 71, 139, 142, 278, 355, 695, 710, 1390, 1775, 3475, 3550, 6950, 9869, 19738, 38557, 49345, 77114, 98690, 192785, 246725, 385570, 493450, 963925, 1927850, 2737547, 5359423, 5475094, 10718846, 13687735, 26797115, 27375470, 53594230, 68438675, 133985575, 136877350, 267971150, 380519033, 761038066, 1902595165, 3805190330, 9512975825, 19025951650]

約数ペア:

[(1, 19025951650), (2, 9512975825), (5, 3805190330), (10, 1902595165), (25, 761038066), (50, 380519033), (71, 267971150), (139, 136877350), (142, 133985575), (278, 68438675), (355, 53594230), (695, 27375470), (710, 26797115), (1390, 13687735), (1775, 10718846), (3475, 5475094), (3550, 5359423), (6950, 2737547), (9869, 1927850), (19738, 963925), (38557, 493450), (49345, 385570), (77114, 246725), (98690, 192785)]