19245668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11939}}^1$

素因数の和:11987

約数の個数: 24

約数和(自身を含む): 37443840

約数和(自身を除く): 18198172

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 11939, 23878, 47756, 155207, 310414, 370109, 620828, 740218, 1480436, 4811417, 9622834, 19245668]

約数ペア:

[(1, 19245668), (2, 9622834), (4, 4811417), (13, 1480436), (26, 740218), (31, 620828), (52, 370109), (62, 310414), (124, 155207), (403, 47756), (806, 23878), (1612, 11939)]