18863680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 112

約数和(自身を含む): 51352704

約数和(自身を除く): 32489024

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, 230, 233, 253, 320, 352, 368, 440, 460, 466, 506, 704, 736, 880, 920, 932, 1012, 1165, 1265, 1472, 1760, 1840, 1864, 2024, 2330, 2530, 2563, 3520, 3680, 3728, 4048, 4660, 5060, 5126, 5359, 7360, 7456, 8096, 9320, 10120, 10252, 10718, 12815, 14912, 16192, 18640, 20240, 20504, 21436, 25630, 26795, 37280, 40480, 41008, 42872, 51260, 53590, 58949, 74560, 80960, 82016, 85744, 102520, 107180, 117898, 164032, 171488, 205040, 214360, 235796, 294745, 342976, 410080, 428720, 471592, 589490, 820160, 857440, 943184, 1178980, 1714880, 1886368, 2357960, 3772736, 4715920, 9431840, 18863680]

約数ペア:

[(1, 18863680), (2, 9431840), (4, 4715920), (5, 3772736), (8, 2357960), (10, 1886368), (11, 1714880), (16, 1178980), (20, 943184), (22, 857440), (23, 820160), (32, 589490), (40, 471592), (44, 428720), (46, 410080), (55, 342976), (64, 294745), (80, 235796), (88, 214360), (92, 205040), (110, 171488), (115, 164032), (160, 117898), (176, 107180), (184, 102520), (220, 85744), (230, 82016), (233, 80960), (253, 74560), (320, 58949), (352, 53590), (368, 51260), (440, 42872), (460, 41008), (466, 40480), (506, 37280), (704, 26795), (736, 25630), (880, 21436), (920, 20504), (932, 20240), (1012, 18640), (1165, 16192), (1265, 14912), (1472, 12815), (1760, 10718), (1840, 10252), (1864, 10120), (2024, 9320), (2330, 8096), (2530, 7456), (2563, 7360), (3520, 5359), (3680, 5126), (3728, 5060), (4048, 4660)]