19878192

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 59166848

約数和(自身を除く): 39288656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 61, 62, 72, 73, 93, 122, 124, 144, 146, 183, 186, 219, 244, 248, 279, 292, 366, 372, 438, 488, 496, 549, 558, 584, 657, 732, 744, 876, 976, 1098, 1116, 1168, 1314, 1464, 1488, 1752, 1891, 2196, 2232, 2263, 2628, 2928, 3504, 3782, 4392, 4453, 4464, 4526, 5256, 5673, 6789, 7564, 8784, 8906, 9052, 10512, 11346, 13359, 13578, 15128, 17019, 17812, 18104, 20367, 22692, 26718, 27156, 30256, 34038, 35624, 36208, 40077, 40734, 45384, 53436, 54312, 68076, 71248, 80154, 81468, 90768, 106872, 108624, 136152, 138043, 160308, 162936, 213744, 272304, 276086, 320616, 325872, 414129, 552172, 641232, 828258, 1104344, 1242387, 1656516, 2208688, 2484774, 3313032, 4969548, 6626064, 9939096, 19878192]

約数ペア:

[(1, 19878192), (2, 9939096), (3, 6626064), (4, 4969548), (6, 3313032), (8, 2484774), (9, 2208688), (12, 1656516), (16, 1242387), (18, 1104344), (24, 828258), (31, 641232), (36, 552172), (48, 414129), (61, 325872), (62, 320616), (72, 276086), (73, 272304), (93, 213744), (122, 162936), (124, 160308), (144, 138043), (146, 136152), (183, 108624), (186, 106872), (219, 90768), (244, 81468), (248, 80154), (279, 71248), (292, 68076), (366, 54312), (372, 53436), (438, 45384), (488, 40734), (496, 40077), (549, 36208), (558, 35624), (584, 34038), (657, 30256), (732, 27156), (744, 26718), (876, 22692), (976, 20367), (1098, 18104), (1116, 17812), (1168, 17019), (1314, 15128), (1464, 13578), (1488, 13359), (1752, 11346), (1891, 10512), (2196, 9052), (2232, 8906), (2263, 8784), (2628, 7564), (2928, 6789), (3504, 5673), (3782, 5256), (4392, 4526), (4453, 4464)]