18941928

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 49412160

約数和(自身を除く): 30470232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 83, 111, 148, 166, 222, 249, 257, 296, 332, 444, 498, 514, 664, 771, 888, 996, 1028, 1542, 1992, 2056, 3071, 3084, 6142, 6168, 9213, 9509, 12284, 18426, 19018, 21331, 24568, 28527, 36852, 38036, 42662, 57054, 63993, 73704, 76072, 85324, 114108, 127986, 170648, 228216, 255972, 511944, 789247, 1578494, 2367741, 3156988, 4735482, 6313976, 9470964, 18941928]

約数ペア:

[(1, 18941928), (2, 9470964), (3, 6313976), (4, 4735482), (6, 3156988), (8, 2367741), (12, 1578494), (24, 789247), (37, 511944), (74, 255972), (83, 228216), (111, 170648), (148, 127986), (166, 114108), (222, 85324), (249, 76072), (257, 73704), (296, 63993), (332, 57054), (444, 42662), (498, 38036), (514, 36852), (664, 28527), (771, 24568), (888, 21331), (996, 19018), (1028, 18426), (1542, 12284), (1992, 9509), (2056, 9213), (3071, 6168), (3084, 6142)]