18836280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 63763200

約数和(自身を除く): 44926920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 107, 108, 120, 135, 163, 180, 214, 216, 270, 321, 326, 360, 428, 489, 535, 540, 642, 652, 815, 856, 963, 978, 1070, 1080, 1284, 1304, 1467, 1605, 1630, 1926, 1956, 2140, 2445, 2568, 2889, 2934, 3210, 3260, 3852, 3912, 4280, 4401, 4815, 4890, 5778, 5868, 6420, 6520, 7335, 7704, 8802, 9630, 9780, 11556, 11736, 12840, 14445, 14670, 17441, 17604, 19260, 19560, 22005, 23112, 28890, 29340, 34882, 35208, 38520, 44010, 52323, 57780, 58680, 69764, 87205, 88020, 104646, 115560, 139528, 156969, 174410, 176040, 209292, 261615, 313938, 348820, 418584, 470907, 523230, 627876, 697640, 784845, 941814, 1046460, 1255752, 1569690, 1883628, 2092920, 2354535, 3139380, 3767256, 4709070, 6278760, 9418140, 18836280]

約数ペア:

[(1, 18836280), (2, 9418140), (3, 6278760), (4, 4709070), (5, 3767256), (6, 3139380), (8, 2354535), (9, 2092920), (10, 1883628), (12, 1569690), (15, 1255752), (18, 1046460), (20, 941814), (24, 784845), (27, 697640), (30, 627876), (36, 523230), (40, 470907), (45, 418584), (54, 348820), (60, 313938), (72, 261615), (90, 209292), (107, 176040), (108, 174410), (120, 156969), (135, 139528), (163, 115560), (180, 104646), (214, 88020), (216, 87205), (270, 69764), (321, 58680), (326, 57780), (360, 52323), (428, 44010), (489, 38520), (535, 35208), (540, 34882), (642, 29340), (652, 28890), (815, 23112), (856, 22005), (963, 19560), (978, 19260), (1070, 17604), (1080, 17441), (1284, 14670), (1304, 14445), (1467, 12840), (1605, 11736), (1630, 11556), (1926, 9780), (1956, 9630), (2140, 8802), (2445, 7704), (2568, 7335), (2889, 6520), (2934, 6420), (3210, 5868), (3260, 5778), (3852, 4890), (3912, 4815), (4280, 4401)]