19997832

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20323}}^1$

素因数の和:20373

約数の個数: 32

約数和(自身を含む): 51216480

約数和(自身を除く): 31218648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 20323, 40646, 60969, 81292, 121938, 162584, 243876, 487752, 833243, 1666486, 2499729, 3332972, 4999458, 6665944, 9998916, 19997832]

約数ペア:

[(1, 19997832), (2, 9998916), (3, 6665944), (4, 4999458), (6, 3332972), (8, 2499729), (12, 1666486), (24, 833243), (41, 487752), (82, 243876), (123, 162584), (164, 121938), (246, 81292), (328, 60969), (492, 40646), (984, 20323)]