18802868

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 41291712

約数和(自身を除く): 22488844

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 49, 86, 92, 97, 98, 161, 172, 194, 196, 301, 322, 388, 602, 644, 679, 989, 1127, 1204, 1358, 1978, 2107, 2231, 2254, 2716, 3956, 4171, 4214, 4462, 4508, 4753, 6923, 8342, 8428, 8924, 9506, 13846, 15617, 16684, 19012, 27692, 29197, 31234, 48461, 58394, 62468, 95933, 96922, 109319, 116788, 191866, 193844, 204379, 218638, 383732, 408758, 437276, 671531, 817516, 1343062, 2686124, 4700717, 9401434, 18802868]

約数ペア:

[(1, 18802868), (2, 9401434), (4, 4700717), (7, 2686124), (14, 1343062), (23, 817516), (28, 671531), (43, 437276), (46, 408758), (49, 383732), (86, 218638), (92, 204379), (97, 193844), (98, 191866), (161, 116788), (172, 109319), (194, 96922), (196, 95933), (301, 62468), (322, 58394), (388, 48461), (602, 31234), (644, 29197), (679, 27692), (989, 19012), (1127, 16684), (1204, 15617), (1358, 13846), (1978, 9506), (2107, 8924), (2231, 8428), (2254, 8342), (2716, 6923), (3956, 4753), (4171, 4508), (4214, 4462)]