12881772

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 35271600

約数和(自身を除く): 22389828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 509, 666, 684, 703, 1018, 1332, 1406, 1527, 2036, 2109, 2812, 3054, 4218, 4581, 6108, 6327, 8436, 9162, 9671, 12654, 18324, 18833, 19342, 25308, 29013, 37666, 38684, 56499, 58026, 75332, 87039, 112998, 116052, 169497, 174078, 225996, 338994, 348156, 357827, 677988, 715654, 1073481, 1431308, 2146962, 3220443, 4293924, 6440886, 12881772]

約数ペア:

[(1, 12881772), (2, 6440886), (3, 4293924), (4, 3220443), (6, 2146962), (9, 1431308), (12, 1073481), (18, 715654), (19, 677988), (36, 357827), (37, 348156), (38, 338994), (57, 225996), (74, 174078), (76, 169497), (111, 116052), (114, 112998), (148, 87039), (171, 75332), (222, 58026), (228, 56499), (333, 38684), (342, 37666), (444, 29013), (509, 25308), (666, 19342), (684, 18833), (703, 18324), (1018, 12654), (1332, 9671), (1406, 9162), (1527, 8436), (2036, 6327), (2109, 6108), (2812, 4581), (3054, 4218)]