2019404390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{7541}}^1$

素因数の和:8048

約数の個数: 32

約数和(自身を含む): 3703423680

約数和(自身を除く): 1684019290

約数列:

[1, 2, 5, 10, 61, 122, 305, 439, 610, 878, 2195, 4390, 7541, 15082, 26779, 37705, 53558, 75410, 133895, 267790, 460001, 920002, 2300005, 3310499, 4600010, 6620998, 16552495, 33104990, 201940439, 403880878, 1009702195, 2019404390]

約数ペア:

[(1, 2019404390), (2, 1009702195), (5, 403880878), (10, 201940439), (61, 33104990), (122, 16552495), (305, 6620998), (439, 4600010), (610, 3310499), (878, 2300005), (2195, 920002), (4390, 460001), (7541, 267790), (15082, 133895), (26779, 75410), (37705, 53558)]