19567660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 49067424

約数和(自身を除く): 29499764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 487, 490, 574, 820, 974, 980, 1148, 1435, 1948, 2009, 2435, 2870, 3409, 4018, 4870, 5740, 6818, 8036, 9740, 10045, 13636, 17045, 19967, 20090, 23863, 34090, 39934, 40180, 47726, 68180, 79868, 95452, 99835, 119315, 139769, 199670, 238630, 279538, 399340, 477260, 559076, 698845, 978383, 1397690, 1956766, 2795380, 3913532, 4891915, 9783830, 19567660]

約数ペア:

[(1, 19567660), (2, 9783830), (4, 4891915), (5, 3913532), (7, 2795380), (10, 1956766), (14, 1397690), (20, 978383), (28, 698845), (35, 559076), (41, 477260), (49, 399340), (70, 279538), (82, 238630), (98, 199670), (140, 139769), (164, 119315), (196, 99835), (205, 95452), (245, 79868), (287, 68180), (410, 47726), (487, 40180), (490, 39934), (574, 34090), (820, 23863), (974, 20090), (980, 19967), (1148, 17045), (1435, 13636), (1948, 10045), (2009, 9740), (2435, 8036), (2870, 6818), (3409, 5740), (4018, 4870)]