19308536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 22059784

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 53, 62, 104, 106, 113, 124, 212, 226, 248, 403, 424, 452, 689, 806, 904, 1378, 1469, 1612, 1643, 2756, 2938, 3224, 3286, 3503, 5512, 5876, 5989, 6572, 7006, 11752, 11978, 13144, 14012, 21359, 23956, 28024, 42718, 45539, 47912, 77857, 85436, 91078, 155714, 170872, 182156, 185659, 311428, 364312, 371318, 622856, 742636, 1485272, 2413567, 4827134, 9654268, 19308536]

約数ペア:

[(1, 19308536), (2, 9654268), (4, 4827134), (8, 2413567), (13, 1485272), (26, 742636), (31, 622856), (52, 371318), (53, 364312), (62, 311428), (104, 185659), (106, 182156), (113, 170872), (124, 155714), (212, 91078), (226, 85436), (248, 77857), (403, 47912), (424, 45539), (452, 42718), (689, 28024), (806, 23956), (904, 21359), (1378, 14012), (1469, 13144), (1612, 11978), (1643, 11752), (2756, 7006), (2938, 6572), (3224, 5989), (3286, 5876), (3503, 5512)]