18996712

素因数分解:

$2^3\times 7^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 80

約数和(自身を含む): 44367840

約数和(自身を除く): 25371128

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 49, 56, 86, 92, 98, 161, 172, 184, 196, 301, 322, 343, 344, 392, 602, 644, 686, 989, 1127, 1204, 1288, 1372, 1978, 2107, 2254, 2401, 2408, 2744, 3956, 4214, 4508, 4802, 6923, 7889, 7912, 8428, 9016, 9604, 13846, 14749, 15778, 16856, 19208, 27692, 29498, 31556, 48461, 55223, 55384, 58996, 63112, 96922, 103243, 110446, 117992, 193844, 206486, 220892, 339227, 387688, 412972, 441784, 678454, 825944, 1356908, 2374589, 2713816, 4749178, 9498356, 18996712]

約数ペア:

[(1, 18996712), (2, 9498356), (4, 4749178), (7, 2713816), (8, 2374589), (14, 1356908), (23, 825944), (28, 678454), (43, 441784), (46, 412972), (49, 387688), (56, 339227), (86, 220892), (92, 206486), (98, 193844), (161, 117992), (172, 110446), (184, 103243), (196, 96922), (301, 63112), (322, 58996), (343, 55384), (344, 55223), (392, 48461), (602, 31556), (644, 29498), (686, 27692), (989, 19208), (1127, 16856), (1204, 15778), (1288, 14749), (1372, 13846), (1978, 9604), (2107, 9016), (2254, 8428), (2401, 7912), (2408, 7889), (2744, 6923), (3956, 4802), (4214, 4508)]