18980038

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3331}}^1$

素因数の和:3388

約数の個数: 32

約数和(自身を含む): 36465408

約数和(自身を除く): 17485370

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3331, 5698, 6662, 23317, 36641, 46634, 73282, 123247, 246494, 256487, 512974, 862729, 1355717, 1725458, 2711434, 9490019, 18980038]

約数ペア:

[(1, 18980038), (2, 9490019), (7, 2711434), (11, 1725458), (14, 1355717), (22, 862729), (37, 512974), (74, 256487), (77, 246494), (154, 123247), (259, 73282), (407, 46634), (518, 36641), (814, 23317), (2849, 6662), (3331, 5698)]