19852185605

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{12647}}^1$

素因数の和:12858

約数の個数: 48

約数和(自身を含む): 28549065600

約数和(自身を除く): 8696879995

約数列:

[1, 5, 7, 35, 43, 49, 149, 215, 245, 301, 745, 1043, 1505, 2107, 5215, 6407, 7301, 10535, 12647, 32035, 36505, 44849, 63235, 88529, 224245, 313943, 442645, 543821, 619703, 1569715, 1884403, 2719105, 3098515, 3806747, 9422015, 13190821, 19033735, 26647229, 65954105, 81029329, 92335747, 133236145, 405146645, 461678735, 567205303, 2836026515, 3970437121, 19852185605]

約数ペア:

[(1, 19852185605), (5, 3970437121), (7, 2836026515), (35, 567205303), (43, 461678735), (49, 405146645), (149, 133236145), (215, 92335747), (245, 81029329), (301, 65954105), (745, 26647229), (1043, 19033735), (1505, 13190821), (2107, 9422015), (5215, 3806747), (6407, 3098515), (7301, 2719105), (10535, 1884403), (12647, 1569715), (32035, 619703), (36505, 543821), (44849, 442645), (63235, 313943), (88529, 224245)]