18709020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{859}}^1$

素因数の和:896

約数の個数: 108

約数和(自身を含む): 62451480

約数和(自身を除く): 43742460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 859, 990, 1089, 1210, 1452, 1718, 1815, 1980, 2178, 2420, 2577, 3436, 3630, 4295, 4356, 5154, 5445, 7260, 7731, 8590, 9449, 10308, 10890, 12885, 15462, 17180, 18898, 21780, 25770, 28347, 30924, 37796, 38655, 47245, 51540, 56694, 77310, 85041, 94490, 103939, 113388, 141735, 154620, 170082, 188980, 207878, 283470, 311817, 340164, 415756, 425205, 519695, 566940, 623634, 850410, 935451, 1039390, 1247268, 1559085, 1700820, 1870902, 2078780, 3118170, 3741804, 4677255, 6236340, 9354510, 18709020]

約数ペア:

[(1, 18709020), (2, 9354510), (3, 6236340), (4, 4677255), (5, 3741804), (6, 3118170), (9, 2078780), (10, 1870902), (11, 1700820), (12, 1559085), (15, 1247268), (18, 1039390), (20, 935451), (22, 850410), (30, 623634), (33, 566940), (36, 519695), (44, 425205), (45, 415756), (55, 340164), (60, 311817), (66, 283470), (90, 207878), (99, 188980), (110, 170082), (121, 154620), (132, 141735), (165, 113388), (180, 103939), (198, 94490), (220, 85041), (242, 77310), (330, 56694), (363, 51540), (396, 47245), (484, 38655), (495, 37796), (605, 30924), (660, 28347), (726, 25770), (859, 21780), (990, 18898), (1089, 17180), (1210, 15462), (1452, 12885), (1718, 10890), (1815, 10308), (1980, 9449), (2178, 8590), (2420, 7731), (2577, 7260), (3436, 5445), (3630, 5154), (4295, 4356)]