19157008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3023

約数の個数: 40

約数和(自身を含む): 41275136

約数和(自身を除く): 22118128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 2971, 3224, 5942, 6448, 11884, 23768, 38623, 47536, 77246, 92101, 154492, 184202, 308984, 368404, 617968, 736808, 1197313, 1473616, 2394626, 4789252, 9578504, 19157008]

約数ペア:

[(1, 19157008), (2, 9578504), (4, 4789252), (8, 2394626), (13, 1473616), (16, 1197313), (26, 736808), (31, 617968), (52, 368404), (62, 308984), (104, 184202), (124, 154492), (208, 92101), (248, 77246), (403, 47536), (496, 38623), (806, 23768), (1612, 11884), (2971, 6448), (3224, 5942)]