19816090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1151

約数の個数: 48

約数和(自身を含む): 42652872

約数和(自身を除く): 22836782

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1093, 1295, 1813, 2186, 2590, 3626, 5465, 7651, 9065, 10930, 15302, 18130, 38255, 40441, 53557, 76510, 80882, 107114, 202205, 267785, 283087, 404410, 535570, 566174, 1415435, 1981609, 2830870, 3963218, 9908045, 19816090]

約数ペア:

[(1, 19816090), (2, 9908045), (5, 3963218), (7, 2830870), (10, 1981609), (14, 1415435), (35, 566174), (37, 535570), (49, 404410), (70, 283087), (74, 267785), (98, 202205), (185, 107114), (245, 80882), (259, 76510), (370, 53557), (490, 40441), (518, 38255), (1093, 18130), (1295, 15302), (1813, 10930), (2186, 9065), (2590, 7651), (3626, 5465)]