19726938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 54692352

約数和(自身を除く): 34965414

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 63, 66, 77, 86, 99, 126, 129, 154, 198, 231, 258, 301, 331, 387, 462, 473, 602, 662, 693, 774, 903, 946, 993, 1386, 1419, 1806, 1986, 2317, 2709, 2838, 2979, 3311, 3641, 4257, 4634, 5418, 5958, 6622, 6951, 7282, 8514, 9933, 10923, 13902, 14233, 19866, 20853, 21846, 25487, 28466, 29799, 32769, 41706, 42699, 50974, 59598, 65538, 76461, 85398, 99631, 128097, 152922, 156563, 199262, 229383, 256194, 298893, 313126, 458766, 469689, 597786, 896679, 939378, 1095941, 1409067, 1793358, 2191882, 2818134, 3287823, 6575646, 9863469, 19726938]

約数ペア:

[(1, 19726938), (2, 9863469), (3, 6575646), (6, 3287823), (7, 2818134), (9, 2191882), (11, 1793358), (14, 1409067), (18, 1095941), (21, 939378), (22, 896679), (33, 597786), (42, 469689), (43, 458766), (63, 313126), (66, 298893), (77, 256194), (86, 229383), (99, 199262), (126, 156563), (129, 152922), (154, 128097), (198, 99631), (231, 85398), (258, 76461), (301, 65538), (331, 59598), (387, 50974), (462, 42699), (473, 41706), (602, 32769), (662, 29799), (693, 28466), (774, 25487), (903, 21846), (946, 20853), (993, 19866), (1386, 14233), (1419, 13902), (1806, 10923), (1986, 9933), (2317, 8514), (2709, 7282), (2838, 6951), (2979, 6622), (3311, 5958), (3641, 5418), (4257, 4634)]