18920904

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 30983736

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 151, 184, 227, 276, 302, 453, 454, 552, 604, 681, 906, 908, 1208, 1362, 1812, 1816, 2724, 3473, 3624, 5221, 5448, 6946, 10419, 10442, 13892, 15663, 20838, 20884, 27784, 31326, 34277, 41676, 41768, 62652, 68554, 83352, 102831, 125304, 137108, 205662, 274216, 411324, 788371, 822648, 1576742, 2365113, 3153484, 4730226, 6306968, 9460452, 18920904]

約数ペア:

[(1, 18920904), (2, 9460452), (3, 6306968), (4, 4730226), (6, 3153484), (8, 2365113), (12, 1576742), (23, 822648), (24, 788371), (46, 411324), (69, 274216), (92, 205662), (138, 137108), (151, 125304), (184, 102831), (227, 83352), (276, 68554), (302, 62652), (453, 41768), (454, 41676), (552, 34277), (604, 31326), (681, 27784), (906, 20884), (908, 20838), (1208, 15663), (1362, 13892), (1812, 10442), (1816, 10419), (2724, 6946), (3473, 5448), (3624, 5221)]