18520544

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{929}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 23664256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 929, 1246, 1424, 1858, 2492, 2848, 3716, 4984, 6503, 7432, 9968, 13006, 14864, 19936, 26012, 29728, 52024, 82681, 104048, 165362, 208096, 330724, 578767, 661448, 1157534, 1322896, 2315068, 2645792, 4630136, 9260272, 18520544]

約数ペア:

[(1, 18520544), (2, 9260272), (4, 4630136), (7, 2645792), (8, 2315068), (14, 1322896), (16, 1157534), (28, 661448), (32, 578767), (56, 330724), (89, 208096), (112, 165362), (178, 104048), (224, 82681), (356, 52024), (623, 29728), (712, 26012), (929, 19936), (1246, 14864), (1424, 13006), (1858, 9968), (2492, 7432), (2848, 6503), (3716, 4984)]