11519780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 25643520

約数和(自身を除く): 14123740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 317, 395, 460, 634, 790, 1268, 1580, 1585, 1817, 3170, 3634, 6340, 7268, 7291, 9085, 14582, 18170, 25043, 29164, 36340, 36455, 50086, 72910, 100172, 125215, 145820, 250430, 500860, 575989, 1151978, 2303956, 2879945, 5759890, 11519780]

約数ペア:

[(1, 11519780), (2, 5759890), (4, 2879945), (5, 2303956), (10, 1151978), (20, 575989), (23, 500860), (46, 250430), (79, 145820), (92, 125215), (115, 100172), (158, 72910), (230, 50086), (316, 36455), (317, 36340), (395, 29164), (460, 25043), (634, 18170), (790, 14582), (1268, 9085), (1580, 7291), (1585, 7268), (1817, 6340), (3170, 3634)]