17933890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 19079870

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 67, 71, 130, 134, 142, 145, 290, 335, 355, 377, 670, 710, 754, 871, 923, 1742, 1846, 1885, 1943, 2059, 3770, 3886, 4118, 4355, 4615, 4757, 8710, 9230, 9514, 9715, 10295, 19430, 20590, 23785, 25259, 26767, 47570, 50518, 53534, 61841, 123682, 126295, 133835, 137953, 252590, 267670, 275906, 309205, 618410, 689765, 1379530, 1793389, 3586778, 8966945, 17933890]

約数ペア:

[(1, 17933890), (2, 8966945), (5, 3586778), (10, 1793389), (13, 1379530), (26, 689765), (29, 618410), (58, 309205), (65, 275906), (67, 267670), (71, 252590), (130, 137953), (134, 133835), (142, 126295), (145, 123682), (290, 61841), (335, 53534), (355, 50518), (377, 47570), (670, 26767), (710, 25259), (754, 23785), (871, 20590), (923, 19430), (1742, 10295), (1846, 9715), (1885, 9514), (1943, 9230), (2059, 8710), (3770, 4757), (3886, 4615), (4118, 4355)]