19395400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2621}}^1$

素因数の和:2674

約数の個数: 48

約数和(自身を含む): 46330740

約数和(自身を除く): 26935340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2621, 3700, 5242, 7400, 10484, 13105, 20968, 26210, 52420, 65525, 96977, 104840, 131050, 193954, 262100, 387908, 484885, 524200, 775816, 969770, 1939540, 2424425, 3879080, 4848850, 9697700, 19395400]

約数ペア:

[(1, 19395400), (2, 9697700), (4, 4848850), (5, 3879080), (8, 2424425), (10, 1939540), (20, 969770), (25, 775816), (37, 524200), (40, 484885), (50, 387908), (74, 262100), (100, 193954), (148, 131050), (185, 104840), (200, 96977), (296, 65525), (370, 52420), (740, 26210), (925, 20968), (1480, 13105), (1850, 10484), (2621, 7400), (3700, 5242)]