19598920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44543}}^1$

素因数の和:44565

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 28508600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44543, 89086, 178172, 222715, 356344, 445430, 489973, 890860, 979946, 1781720, 1959892, 2449865, 3919784, 4899730, 9799460, 19598920]

約数ペア:

[(1, 19598920), (2, 9799460), (4, 4899730), (5, 3919784), (8, 2449865), (10, 1959892), (11, 1781720), (20, 979946), (22, 890860), (40, 489973), (44, 445430), (55, 356344), (88, 222715), (110, 178172), (220, 89086), (440, 44543)]