18914464

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 21244256

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 92, 124, 184, 248, 368, 496, 713, 736, 829, 992, 1426, 1658, 2852, 3316, 5704, 6632, 11408, 13264, 19067, 22816, 25699, 26528, 38134, 51398, 76268, 102796, 152536, 205592, 305072, 411184, 591077, 610144, 822368, 1182154, 2364308, 4728616, 9457232, 18914464]

約数ペア:

[(1, 18914464), (2, 9457232), (4, 4728616), (8, 2364308), (16, 1182154), (23, 822368), (31, 610144), (32, 591077), (46, 411184), (62, 305072), (92, 205592), (124, 152536), (184, 102796), (248, 76268), (368, 51398), (496, 38134), (713, 26528), (736, 25699), (829, 22816), (992, 19067), (1426, 13264), (1658, 11408), (2852, 6632), (3316, 5704)]