19766313

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 34944000

約数和(自身を除く): 15177687

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 349, 609, 651, 899, 1047, 1827, 1953, 2443, 2697, 3141, 6293, 7329, 8091, 10121, 10819, 18879, 21987, 30363, 32457, 56637, 70847, 75733, 91089, 97371, 212541, 227199, 313751, 637623, 681597, 941253, 2196257, 2823759, 6588771, 19766313]

約数ペア:

[(1, 19766313), (3, 6588771), (7, 2823759), (9, 2196257), (21, 941253), (29, 681597), (31, 637623), (63, 313751), (87, 227199), (93, 212541), (203, 97371), (217, 91089), (261, 75733), (279, 70847), (349, 56637), (609, 32457), (651, 30363), (899, 21987), (1047, 18879), (1827, 10819), (1953, 10121), (2443, 8091), (2697, 7329), (3141, 6293)]