19948395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78229}}^1$

素因数の和:78254

約数の個数: 16

約数和(自身を含む): 33795360

約数和(自身を除く): 13846965

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78229, 234687, 391145, 1173435, 1329893, 3989679, 6649465, 19948395]

約数ペア:

[(1, 19948395), (3, 6649465), (5, 3989679), (15, 1329893), (17, 1173435), (51, 391145), (85, 234687), (255, 78229)]