19308191

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 22880256

約数和(自身を除く): 3572065

約数列:

[1, 7, 37, 127, 259, 587, 889, 4109, 4699, 21719, 32893, 74549, 152033, 521843, 2758313, 19308191]

約数ペア:

[(1, 19308191), (7, 2758313), (37, 521843), (127, 152033), (259, 74549), (587, 32893), (889, 21719), (4109, 4699)]