18771720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14221}}^1$

素因数の和:14246

約数の個数: 64

約数和(自身を含む): 61439040

約数和(自身を除く): 42667320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 14221, 28442, 42663, 56884, 71105, 85326, 113768, 142210, 156431, 170652, 213315, 284420, 312862, 341304, 426630, 469293, 568840, 625724, 782155, 853260, 938586, 1251448, 1564310, 1706520, 1877172, 2346465, 3128620, 3754344, 4692930, 6257240, 9385860, 18771720]

約数ペア:

[(1, 18771720), (2, 9385860), (3, 6257240), (4, 4692930), (5, 3754344), (6, 3128620), (8, 2346465), (10, 1877172), (11, 1706520), (12, 1564310), (15, 1251448), (20, 938586), (22, 853260), (24, 782155), (30, 625724), (33, 568840), (40, 469293), (44, 426630), (55, 341304), (60, 312862), (66, 284420), (88, 213315), (110, 170652), (120, 156431), (132, 142210), (165, 113768), (220, 85326), (264, 71105), (330, 56884), (440, 42663), (660, 28442), (1320, 14221)]