18754384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 42747264

約数和(自身を除く): 23992880

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 41, 44, 46, 82, 88, 92, 113, 164, 176, 184, 226, 253, 328, 368, 451, 452, 506, 656, 902, 904, 943, 1012, 1243, 1804, 1808, 1886, 2024, 2486, 2599, 3608, 3772, 4048, 4633, 4972, 5198, 7216, 7544, 9266, 9944, 10373, 10396, 15088, 18532, 19888, 20746, 20792, 28589, 37064, 41492, 41584, 50963, 57178, 74128, 82984, 101926, 106559, 114356, 165968, 203852, 213118, 228712, 407704, 426236, 457424, 815408, 852472, 1172149, 1704944, 2344298, 4688596, 9377192, 18754384]

約数ペア:

[(1, 18754384), (2, 9377192), (4, 4688596), (8, 2344298), (11, 1704944), (16, 1172149), (22, 852472), (23, 815408), (41, 457424), (44, 426236), (46, 407704), (82, 228712), (88, 213118), (92, 203852), (113, 165968), (164, 114356), (176, 106559), (184, 101926), (226, 82984), (253, 74128), (328, 57178), (368, 50963), (451, 41584), (452, 41492), (506, 37064), (656, 28589), (902, 20792), (904, 20746), (943, 19888), (1012, 18532), (1243, 15088), (1804, 10396), (1808, 10373), (1886, 9944), (2024, 9266), (2486, 7544), (2599, 7216), (3608, 5198), (3772, 4972), (4048, 4633)]