19943295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 34043328

約数和(自身を除く): 14100033

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 397, 591, 985, 1191, 1985, 2955, 3349, 5955, 6749, 10047, 16745, 20247, 33745, 50235, 78209, 101235, 234627, 391045, 1173135, 1329553, 3988659, 6647765, 19943295]

約数ペア:

[(1, 19943295), (3, 6647765), (5, 3988659), (15, 1329553), (17, 1173135), (51, 391045), (85, 234627), (197, 101235), (255, 78209), (397, 50235), (591, 33745), (985, 20247), (1191, 16745), (1985, 10047), (2955, 6749), (3349, 5955)]