19878726192

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1027643}}^1$

素因数の和:1027698

約数の個数: 80

約数和(自身を含む): 57087679488

約数和(自身を除く): 37208953296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 1027643, 2055286, 3082929, 4110572, 6165858, 8221144, 12331716, 13359359, 16442288, 24663432, 26718718, 31856933, 40078077, 49326864, 53437436, 63713866, 80156154, 95570799, 106874872, 127427732, 160312308, 191141598, 213749744, 254855464, 320624616, 382283196, 414140129, 509710928, 641249232, 764566392, 828280258, 1242420387, 1529132784, 1656560516, 2484840774, 3313121032, 4969681548, 6626242064, 9939363096, 19878726192]

約数ペア:

[(1, 19878726192), (2, 9939363096), (3, 6626242064), (4, 4969681548), (6, 3313121032), (8, 2484840774), (12, 1656560516), (13, 1529132784), (16, 1242420387), (24, 828280258), (26, 764566392), (31, 641249232), (39, 509710928), (48, 414140129), (52, 382283196), (62, 320624616), (78, 254855464), (93, 213749744), (104, 191141598), (124, 160312308), (156, 127427732), (186, 106874872), (208, 95570799), (248, 80156154), (312, 63713866), (372, 53437436), (403, 49326864), (496, 40078077), (624, 31856933), (744, 26718718), (806, 24663432), (1209, 16442288), (1488, 13359359), (1612, 12331716), (2418, 8221144), (3224, 6165858), (4836, 4110572), (6448, 3082929), (9672, 2055286), (19344, 1027643)]