18920286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 55272672

約数和(自身を除く): 36352386

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 73, 77, 99, 102, 119, 121, 126, 146, 153, 154, 187, 198, 219, 231, 238, 242, 306, 357, 363, 374, 438, 462, 511, 561, 657, 693, 714, 726, 803, 847, 1022, 1071, 1089, 1122, 1241, 1309, 1314, 1386, 1533, 1606, 1683, 1694, 2057, 2142, 2178, 2409, 2482, 2541, 2618, 3066, 3366, 3723, 3927, 4114, 4599, 4818, 5082, 5621, 6171, 7227, 7446, 7623, 7854, 8687, 8833, 9198, 11169, 11242, 11781, 12342, 13651, 14399, 14454, 15246, 16863, 17374, 17666, 18513, 22338, 23562, 26061, 26499, 27302, 28798, 33726, 37026, 40953, 43197, 50589, 52122, 52998, 61831, 78183, 79497, 81906, 86394, 95557, 101178, 122859, 123662, 129591, 150161, 156366, 158994, 185493, 191114, 245718, 259182, 286671, 300322, 370986, 450483, 556479, 573342, 860013, 900966, 1051127, 1112958, 1351449, 1720026, 2102254, 2702898, 3153381, 6306762, 9460143, 18920286]

約数ペア:

[(1, 18920286), (2, 9460143), (3, 6306762), (6, 3153381), (7, 2702898), (9, 2102254), (11, 1720026), (14, 1351449), (17, 1112958), (18, 1051127), (21, 900966), (22, 860013), (33, 573342), (34, 556479), (42, 450483), (51, 370986), (63, 300322), (66, 286671), (73, 259182), (77, 245718), (99, 191114), (102, 185493), (119, 158994), (121, 156366), (126, 150161), (146, 129591), (153, 123662), (154, 122859), (187, 101178), (198, 95557), (219, 86394), (231, 81906), (238, 79497), (242, 78183), (306, 61831), (357, 52998), (363, 52122), (374, 50589), (438, 43197), (462, 40953), (511, 37026), (561, 33726), (657, 28798), (693, 27302), (714, 26499), (726, 26061), (803, 23562), (847, 22338), (1022, 18513), (1071, 17666), (1089, 17374), (1122, 16863), (1241, 15246), (1309, 14454), (1314, 14399), (1386, 13651), (1533, 12342), (1606, 11781), (1683, 11242), (1694, 11169), (2057, 9198), (2142, 8833), (2178, 8687), (2409, 7854), (2482, 7623), (2541, 7446), (2618, 7227), (3066, 6171), (3366, 5621), (3723, 5082), (3927, 4818), (4114, 4599)]