19165341

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 29490048

約数和(自身を除く): 10324707

約数列:

[1, 3, 13, 17, 39, 51, 137, 211, 221, 411, 633, 663, 1781, 2329, 2743, 3587, 5343, 6987, 8229, 10761, 28907, 30277, 46631, 86721, 90831, 139893, 375791, 491419, 1127373, 1474257, 6388447, 19165341]

約数ペア:

[(1, 19165341), (3, 6388447), (13, 1474257), (17, 1127373), (39, 491419), (51, 375791), (137, 139893), (211, 90831), (221, 86721), (411, 46631), (633, 30277), (663, 28907), (1781, 10761), (2329, 8229), (2743, 6987), (3587, 5343)]