19683952

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 40309920

約数和(自身を除く): 20625968

約数列:

[1, 2, 4, 8, 16, 23, 46, 89, 92, 178, 184, 356, 368, 601, 712, 1202, 1424, 2047, 2404, 4094, 4808, 8188, 9616, 13823, 16376, 27646, 32752, 53489, 55292, 106978, 110584, 213956, 221168, 427912, 855824, 1230247, 2460494, 4920988, 9841976, 19683952]

約数ペア:

[(1, 19683952), (2, 9841976), (4, 4920988), (8, 2460494), (16, 1230247), (23, 855824), (46, 427912), (89, 221168), (92, 213956), (178, 110584), (184, 106978), (356, 55292), (368, 53489), (601, 32752), (712, 27646), (1202, 16376), (1424, 13823), (2047, 9616), (2404, 8188), (4094, 4808)]