18657232

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 60

約数和(自身を含む): 41559840

約数和(自身を除く): 22902608

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 419, 484, 506, 838, 968, 1012, 1676, 1936, 2024, 2783, 3352, 4048, 4609, 5566, 6704, 9218, 9637, 11132, 18436, 19274, 22264, 36872, 38548, 44528, 50699, 73744, 77096, 101398, 106007, 154192, 202796, 212014, 405592, 424028, 811184, 848056, 1166077, 1696112, 2332154, 4664308, 9328616, 18657232]

約数ペア:

[(1, 18657232), (2, 9328616), (4, 4664308), (8, 2332154), (11, 1696112), (16, 1166077), (22, 848056), (23, 811184), (44, 424028), (46, 405592), (88, 212014), (92, 202796), (121, 154192), (176, 106007), (184, 101398), (242, 77096), (253, 73744), (368, 50699), (419, 44528), (484, 38548), (506, 36872), (838, 22264), (968, 19274), (1012, 18436), (1676, 11132), (1936, 9637), (2024, 9218), (2783, 6704), (3352, 5566), (4048, 4609)]