19929210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2267

約数の個数: 64

約数和(自身を含む): 55959552

約数和(自身を除く): 36030342

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2207, 3010, 4414, 4515, 6621, 9030, 11035, 13242, 15449, 22070, 30898, 33105, 46347, 66210, 77245, 92694, 94901, 154490, 189802, 231735, 284703, 463470, 474505, 569406, 664307, 949010, 1328614, 1423515, 1992921, 2847030, 3321535, 3985842, 6643070, 9964605, 19929210]

約数ペア:

[(1, 19929210), (2, 9964605), (3, 6643070), (5, 3985842), (6, 3321535), (7, 2847030), (10, 1992921), (14, 1423515), (15, 1328614), (21, 949010), (30, 664307), (35, 569406), (42, 474505), (43, 463470), (70, 284703), (86, 231735), (105, 189802), (129, 154490), (210, 94901), (215, 92694), (258, 77245), (301, 66210), (430, 46347), (602, 33105), (645, 30898), (903, 22070), (1290, 15449), (1505, 13242), (1806, 11035), (2207, 9030), (3010, 6621), (4414, 4515)]