19924595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 26827200

約数和(自身を除く): 6902605

約数列:

[1, 5, 17, 29, 59, 85, 137, 145, 295, 493, 685, 1003, 1711, 2329, 2465, 3973, 5015, 8083, 8555, 11645, 19865, 29087, 40415, 67541, 137411, 145435, 234407, 337705, 687055, 1172035, 3984919, 19924595]

約数ペア:

[(1, 19924595), (5, 3984919), (17, 1172035), (29, 687055), (59, 337705), (85, 234407), (137, 145435), (145, 137411), (295, 67541), (493, 40415), (685, 29087), (1003, 19865), (1711, 11645), (2329, 8555), (2465, 8083), (3973, 5015)]