18377920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 112

約数和(自身を含む): 50035968

約数和(自身を除く): 31658048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 227, 230, 253, 320, 352, 368, 440, 454, 460, 506, 704, 736, 880, 908, 920, 1012, 1135, 1265, 1472, 1760, 1816, 1840, 2024, 2270, 2497, 2530, 3520, 3632, 3680, 4048, 4540, 4994, 5060, 5221, 7264, 7360, 8096, 9080, 9988, 10120, 10442, 12485, 14528, 16192, 18160, 19976, 20240, 20884, 24970, 26105, 36320, 39952, 40480, 41768, 49940, 52210, 57431, 72640, 79904, 80960, 83536, 99880, 104420, 114862, 159808, 167072, 199760, 208840, 229724, 287155, 334144, 399520, 417680, 459448, 574310, 799040, 835360, 918896, 1148620, 1670720, 1837792, 2297240, 3675584, 4594480, 9188960, 18377920]

約数ペア:

[(1, 18377920), (2, 9188960), (4, 4594480), (5, 3675584), (8, 2297240), (10, 1837792), (11, 1670720), (16, 1148620), (20, 918896), (22, 835360), (23, 799040), (32, 574310), (40, 459448), (44, 417680), (46, 399520), (55, 334144), (64, 287155), (80, 229724), (88, 208840), (92, 199760), (110, 167072), (115, 159808), (160, 114862), (176, 104420), (184, 99880), (220, 83536), (227, 80960), (230, 79904), (253, 72640), (320, 57431), (352, 52210), (368, 49940), (440, 41768), (454, 40480), (460, 39952), (506, 36320), (704, 26105), (736, 24970), (880, 20884), (908, 20240), (920, 19976), (1012, 18160), (1135, 16192), (1265, 14528), (1472, 12485), (1760, 10442), (1816, 10120), (1840, 9988), (2024, 9080), (2270, 8096), (2497, 7360), (2530, 7264), (3520, 5221), (3632, 5060), (3680, 4994), (4048, 4540)]