19303705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 24333120

約数和(自身を除く): 5029415

約数列:

[1, 5, 29, 67, 145, 335, 1943, 1987, 9715, 9935, 57623, 133129, 288115, 665645, 3860741, 19303705]

約数ペア:

[(1, 19303705), (5, 3860741), (29, 665645), (67, 288115), (145, 133129), (335, 57623), (1943, 9935), (1987, 9715)]