19061380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 24403580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 439, 668, 835, 878, 1670, 1756, 2171, 2195, 3340, 4342, 4390, 5707, 8684, 8780, 10855, 11414, 21710, 22828, 28535, 43420, 57070, 73313, 114140, 146626, 293252, 366565, 733130, 953069, 1466260, 1906138, 3812276, 4765345, 9530690, 19061380]

約数ペア:

[(1, 19061380), (2, 9530690), (4, 4765345), (5, 3812276), (10, 1906138), (13, 1466260), (20, 953069), (26, 733130), (52, 366565), (65, 293252), (130, 146626), (167, 114140), (260, 73313), (334, 57070), (439, 43420), (668, 28535), (835, 22828), (878, 21710), (1670, 11414), (1756, 10855), (2171, 8780), (2195, 8684), (3340, 5707), (4342, 4390)]