19241075

素因数分解:

$5^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 28201320

約数和(自身を除く): 8960245

約数列:

[1, 5, 7, 25, 35, 49, 113, 139, 175, 245, 565, 695, 791, 973, 1225, 2825, 3475, 3955, 4865, 5537, 6811, 15707, 19775, 24325, 27685, 34055, 78535, 109949, 138425, 170275, 392675, 549745, 769643, 2748725, 3848215, 19241075]

約数ペア:

[(1, 19241075), (5, 3848215), (7, 2748725), (25, 769643), (35, 549745), (49, 392675), (113, 170275), (139, 138425), (175, 109949), (245, 78535), (565, 34055), (695, 27685), (791, 24325), (973, 19775), (1225, 15707), (2825, 6811), (3475, 5537), (3955, 4865)]