19688340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46877}}^1$

素因数の和:46896

約数の個数: 48

約数和(自身を含む): 63004032

約数和(自身を除く): 43315692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46877, 93754, 140631, 187508, 234385, 281262, 328139, 468770, 562524, 656278, 703155, 937540, 984417, 1312556, 1406310, 1640695, 1968834, 2812620, 3281390, 3937668, 4922085, 6562780, 9844170, 19688340]

約数ペア:

[(1, 19688340), (2, 9844170), (3, 6562780), (4, 4922085), (5, 3937668), (6, 3281390), (7, 2812620), (10, 1968834), (12, 1640695), (14, 1406310), (15, 1312556), (20, 984417), (21, 937540), (28, 703155), (30, 656278), (35, 562524), (42, 468770), (60, 328139), (70, 281262), (84, 234385), (105, 187508), (140, 140631), (210, 93754), (420, 46877)]