19190505

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 12535575

約数列:

[1, 3, 5, 15, 53, 101, 159, 239, 265, 303, 505, 717, 795, 1195, 1515, 3585, 5353, 12667, 16059, 24139, 26765, 38001, 63335, 72417, 80295, 120695, 190005, 362085, 1279367, 3838101, 6396835, 19190505]

約数ペア:

[(1, 19190505), (3, 6396835), (5, 3838101), (15, 1279367), (53, 362085), (101, 190005), (159, 120695), (239, 80295), (265, 72417), (303, 63335), (505, 38001), (717, 26765), (795, 24139), (1195, 16059), (1515, 12667), (3585, 5353)]