19487015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3229}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 25116480

約数和(自身を除く): 5629465

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3229, 6035, 16145, 54893, 229259, 274465, 1146295, 3897403, 19487015]

約数ペア:

[(1, 19487015), (5, 3897403), (17, 1146295), (71, 274465), (85, 229259), (355, 54893), (1207, 16145), (3229, 6035)]