19876370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 17914990

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 971, 1942, 2047, 4094, 4855, 9710, 10235, 20470, 22333, 44666, 86419, 111665, 172838, 223330, 432095, 864190, 1987637, 3975274, 9938185, 19876370]

約数ペア:

[(1, 19876370), (2, 9938185), (5, 3975274), (10, 1987637), (23, 864190), (46, 432095), (89, 223330), (115, 172838), (178, 111665), (230, 86419), (445, 44666), (890, 22333), (971, 20470), (1942, 10235), (2047, 9710), (4094, 4855)]