19193289

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 28377216

約数和(自身を除く): 9183927

約数列:

[1, 3, 17, 41, 51, 67, 123, 137, 201, 411, 697, 1139, 2091, 2329, 2747, 3417, 5617, 6987, 8241, 9179, 16851, 27537, 46699, 95489, 140097, 156043, 286467, 376339, 468129, 1129017, 6397763, 19193289]

約数ペア:

[(1, 19193289), (3, 6397763), (17, 1129017), (41, 468129), (51, 376339), (67, 286467), (123, 156043), (137, 140097), (201, 95489), (411, 46699), (697, 27537), (1139, 16851), (2091, 9179), (2329, 8241), (2747, 6987), (3417, 5617)]