19992300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 38503956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 150, 206, 300, 309, 412, 515, 618, 647, 1030, 1236, 1294, 1545, 1941, 2060, 2575, 2588, 3090, 3235, 3882, 5150, 6180, 6470, 7725, 7764, 9705, 10300, 12940, 15450, 16175, 19410, 30900, 32350, 38820, 48525, 64700, 66641, 97050, 133282, 194100, 199923, 266564, 333205, 399846, 666410, 799692, 999615, 1332820, 1666025, 1999230, 3332050, 3998460, 4998075, 6664100, 9996150, 19992300]

約数ペア:

[(1, 19992300), (2, 9996150), (3, 6664100), (4, 4998075), (5, 3998460), (6, 3332050), (10, 1999230), (12, 1666025), (15, 1332820), (20, 999615), (25, 799692), (30, 666410), (50, 399846), (60, 333205), (75, 266564), (100, 199923), (103, 194100), (150, 133282), (206, 97050), (300, 66641), (309, 64700), (412, 48525), (515, 38820), (618, 32350), (647, 30900), (1030, 19410), (1236, 16175), (1294, 15450), (1545, 12940), (1941, 10300), (2060, 9705), (2575, 7764), (2588, 7725), (3090, 6470), (3235, 6180), (3882, 5150)]