18712248

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 30708552

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 109, 138, 184, 218, 276, 311, 327, 436, 552, 622, 654, 872, 933, 1244, 1308, 1866, 2488, 2507, 2616, 3732, 5014, 7153, 7464, 7521, 10028, 14306, 15042, 20056, 21459, 28612, 30084, 33899, 42918, 57224, 60168, 67798, 85836, 101697, 135596, 171672, 203394, 271192, 406788, 779677, 813576, 1559354, 2339031, 3118708, 4678062, 6237416, 9356124, 18712248]

約数ペア:

[(1, 18712248), (2, 9356124), (3, 6237416), (4, 4678062), (6, 3118708), (8, 2339031), (12, 1559354), (23, 813576), (24, 779677), (46, 406788), (69, 271192), (92, 203394), (109, 171672), (138, 135596), (184, 101697), (218, 85836), (276, 67798), (311, 60168), (327, 57224), (436, 42918), (552, 33899), (622, 30084), (654, 28612), (872, 21459), (933, 20056), (1244, 15042), (1308, 14306), (1866, 10028), (2488, 7521), (2507, 7464), (2616, 7153), (3732, 5014)]