19472157

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 11891043

約数列:

[1, 3, 9, 17, 27, 51, 79, 81, 153, 179, 237, 459, 537, 711, 1343, 1377, 1611, 2133, 3043, 4029, 4833, 6399, 9129, 12087, 14141, 14499, 27387, 36261, 42423, 82161, 108783, 127269, 240397, 246483, 381807, 721191, 1145421, 2163573, 6490719, 19472157]

約数ペア:

[(1, 19472157), (3, 6490719), (9, 2163573), (17, 1145421), (27, 721191), (51, 381807), (79, 246483), (81, 240397), (153, 127269), (179, 108783), (237, 82161), (459, 42423), (537, 36261), (711, 27387), (1343, 14499), (1377, 14141), (1611, 12087), (2133, 9129), (3043, 6399), (4029, 4833)]