19998793990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1\times {\mathrm{10369}}^1$

素因数の和:10909

約数の個数: 64

約数和(自身を含む): 41931302400

約数和(自身を除く): 21932508410

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 467, 590, 826, 934, 2065, 2335, 3269, 4130, 4670, 6538, 10369, 16345, 20738, 27553, 32690, 51845, 55106, 72583, 103690, 137765, 145166, 192871, 275530, 362915, 385742, 611771, 725830, 964355, 1223542, 1928710, 3058855, 4282397, 4842323, 6117710, 8564794, 9684646, 21411985, 24211615, 33896261, 42823970, 48423230, 67792522, 169481305, 285697057, 338962610, 571394114, 1428485285, 1999879399, 2856970570, 3999758798, 9999396995, 19998793990]

約数ペア:

[(1, 19998793990), (2, 9999396995), (5, 3999758798), (7, 2856970570), (10, 1999879399), (14, 1428485285), (35, 571394114), (59, 338962610), (70, 285697057), (118, 169481305), (295, 67792522), (413, 48423230), (467, 42823970), (590, 33896261), (826, 24211615), (934, 21411985), (2065, 9684646), (2335, 8564794), (3269, 6117710), (4130, 4842323), (4670, 4282397), (6538, 3058855), (10369, 1928710), (16345, 1223542), (20738, 964355), (27553, 725830), (32690, 611771), (51845, 385742), (55106, 362915), (72583, 275530), (103690, 192871), (137765, 145166)]