12191868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 33633600

約数和(自身を除く): 21441732

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 239, 327, 436, 468, 478, 654, 717, 956, 981, 1308, 1417, 1434, 1962, 2151, 2834, 2868, 3107, 3924, 4251, 4302, 5668, 6214, 8502, 8604, 9321, 12428, 12753, 17004, 18642, 25506, 26051, 27963, 37284, 51012, 52102, 55926, 78153, 104204, 111852, 156306, 234459, 312612, 338663, 468918, 677326, 937836, 1015989, 1354652, 2031978, 3047967, 4063956, 6095934, 12191868]

約数ペア:

[(1, 12191868), (2, 6095934), (3, 4063956), (4, 3047967), (6, 2031978), (9, 1354652), (12, 1015989), (13, 937836), (18, 677326), (26, 468918), (36, 338663), (39, 312612), (52, 234459), (78, 156306), (109, 111852), (117, 104204), (156, 78153), (218, 55926), (234, 52102), (239, 51012), (327, 37284), (436, 27963), (468, 26051), (478, 25506), (654, 18642), (717, 17004), (956, 12753), (981, 12428), (1308, 9321), (1417, 8604), (1434, 8502), (1962, 6214), (2151, 5668), (2834, 4302), (2868, 4251), (3107, 3924)]