18347536

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 37283328

約数和(自身を除く): 18935792

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 496, 521, 568, 1042, 1136, 2084, 2201, 4168, 4402, 8336, 8804, 16151, 17608, 32302, 35216, 36991, 64604, 73982, 129208, 147964, 258416, 295928, 591856, 1146721, 2293442, 4586884, 9173768, 18347536]

約数ペア:

[(1, 18347536), (2, 9173768), (4, 4586884), (8, 2293442), (16, 1146721), (31, 591856), (62, 295928), (71, 258416), (124, 147964), (142, 129208), (248, 73982), (284, 64604), (496, 36991), (521, 35216), (568, 32302), (1042, 17608), (1136, 16151), (2084, 8804), (2201, 8336), (4168, 4402)]