18490305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 31881600

約数和(自身を除く): 13391295

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 177, 255, 295, 885, 1003, 1229, 3009, 3687, 5015, 6145, 15045, 18435, 20893, 62679, 72511, 104465, 217533, 313395, 362555, 1087665, 1232687, 3698061, 6163435, 18490305]

約数ペア:

[(1, 18490305), (3, 6163435), (5, 3698061), (15, 1232687), (17, 1087665), (51, 362555), (59, 313395), (85, 217533), (177, 104465), (255, 72511), (295, 62679), (885, 20893), (1003, 18435), (1229, 15045), (3009, 6145), (3687, 5015)]