19976430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 29919570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 109, 123, 149, 205, 218, 246, 298, 327, 410, 447, 545, 615, 654, 745, 894, 1090, 1230, 1490, 1635, 2235, 3270, 4469, 4470, 6109, 8938, 12218, 13407, 16241, 18327, 22345, 26814, 30545, 32482, 36654, 44690, 48723, 61090, 67035, 81205, 91635, 97446, 134070, 162410, 183270, 243615, 487230, 665881, 1331762, 1997643, 3329405, 3995286, 6658810, 9988215, 19976430]

約数ペア:

[(1, 19976430), (2, 9988215), (3, 6658810), (5, 3995286), (6, 3329405), (10, 1997643), (15, 1331762), (30, 665881), (41, 487230), (82, 243615), (109, 183270), (123, 162410), (149, 134070), (205, 97446), (218, 91635), (246, 81205), (298, 67035), (327, 61090), (410, 48723), (447, 44690), (545, 36654), (615, 32482), (654, 30545), (745, 26814), (894, 22345), (1090, 18327), (1230, 16241), (1490, 13407), (1635, 12218), (2235, 8938), (3270, 6109), (4469, 4470)]