18201231386

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{1931}}^1$

素因数の和:2391

約数の個数: 48

約数和(自身を含む): 30038117760

約数和(自身を除く): 11836886374

約数列:

[1, 2, 13, 26, 79, 158, 169, 338, 353, 706, 1027, 1931, 2054, 3862, 4589, 9178, 13351, 25103, 26702, 27887, 50206, 55774, 59657, 119314, 152549, 305098, 326339, 362531, 652678, 681643, 725062, 1363286, 1983137, 3966274, 4712903, 8861359, 9425806, 17722718, 25780781, 51561562, 53849797, 107699594, 115197667, 230395334, 700047361, 1400094722, 9100615693, 18201231386]

約数ペア:

[(1, 18201231386), (2, 9100615693), (13, 1400094722), (26, 700047361), (79, 230395334), (158, 115197667), (169, 107699594), (338, 53849797), (353, 51561562), (706, 25780781), (1027, 17722718), (1931, 9425806), (2054, 8861359), (3862, 4712903), (4589, 3966274), (9178, 1983137), (13351, 1363286), (25103, 725062), (26702, 681643), (27887, 652678), (50206, 362531), (55774, 326339), (59657, 305098), (119314, 152549)]