19984230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31721}}^1$

素因数の和:31741

約数の個数: 48

約数和(自身を含む): 59383584

約数和(自身を除く): 39399354

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31721, 63442, 95163, 158605, 190326, 222047, 285489, 317210, 444094, 475815, 570978, 666141, 951630, 1110235, 1332282, 1427445, 1998423, 2220470, 2854890, 3330705, 3996846, 6661410, 9992115, 19984230]

約数ペア:

[(1, 19984230), (2, 9992115), (3, 6661410), (5, 3996846), (6, 3330705), (7, 2854890), (9, 2220470), (10, 1998423), (14, 1427445), (15, 1332282), (18, 1110235), (21, 951630), (30, 666141), (35, 570978), (42, 475815), (45, 444094), (63, 317210), (70, 285489), (90, 222047), (105, 190326), (126, 158605), (210, 95163), (315, 63442), (630, 31721)]