18644892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 52035984

約数和(自身を除く): 33391092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 857, 1036, 1554, 1714, 1813, 2571, 3108, 3428, 3626, 5142, 5439, 5999, 7252, 10284, 10878, 11998, 17997, 21756, 23996, 31709, 35994, 41993, 63418, 71988, 83986, 95127, 125979, 126836, 167972, 190254, 221963, 251958, 380508, 443926, 503916, 665889, 887852, 1331778, 1553741, 2663556, 3107482, 4661223, 6214964, 9322446, 18644892]

約数ペア:

[(1, 18644892), (2, 9322446), (3, 6214964), (4, 4661223), (6, 3107482), (7, 2663556), (12, 1553741), (14, 1331778), (21, 887852), (28, 665889), (37, 503916), (42, 443926), (49, 380508), (74, 251958), (84, 221963), (98, 190254), (111, 167972), (147, 126836), (148, 125979), (196, 95127), (222, 83986), (259, 71988), (294, 63418), (444, 41993), (518, 35994), (588, 31709), (777, 23996), (857, 21756), (1036, 17997), (1554, 11998), (1714, 10878), (1813, 10284), (2571, 7252), (3108, 5999), (3428, 5439), (3626, 5142)]