19611670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 38229408

約数和(自身を除く): 18617738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 587, 1174, 1285, 2570, 2935, 3341, 5870, 6682, 7631, 15262, 16705, 33410, 38155, 76310, 150859, 301718, 754295, 1508590, 1961167, 3922334, 9805835, 19611670]

約数ペア:

[(1, 19611670), (2, 9805835), (5, 3922334), (10, 1961167), (13, 1508590), (26, 754295), (65, 301718), (130, 150859), (257, 76310), (514, 38155), (587, 33410), (1174, 16705), (1285, 15262), (2570, 7631), (2935, 6682), (3341, 5870)]