18229360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 45532800

約数和(自身を除く): 27303440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 179, 190, 268, 304, 335, 358, 380, 536, 670, 716, 760, 895, 1072, 1273, 1340, 1432, 1520, 1790, 2546, 2680, 2864, 3401, 3580, 5092, 5360, 6365, 6802, 7160, 10184, 11993, 12730, 13604, 14320, 17005, 20368, 23986, 25460, 27208, 34010, 47972, 50920, 54416, 59965, 68020, 95944, 101840, 119930, 136040, 191888, 227867, 239860, 272080, 455734, 479720, 911468, 959440, 1139335, 1822936, 2278670, 3645872, 4557340, 9114680, 18229360]

約数ペア:

[(1, 18229360), (2, 9114680), (4, 4557340), (5, 3645872), (8, 2278670), (10, 1822936), (16, 1139335), (19, 959440), (20, 911468), (38, 479720), (40, 455734), (67, 272080), (76, 239860), (80, 227867), (95, 191888), (134, 136040), (152, 119930), (179, 101840), (190, 95944), (268, 68020), (304, 59965), (335, 54416), (358, 50920), (380, 47972), (536, 34010), (670, 27208), (716, 25460), (760, 23986), (895, 20368), (1072, 17005), (1273, 14320), (1340, 13604), (1432, 12730), (1520, 11993), (1790, 10184), (2546, 7160), (2680, 6802), (2864, 6365), (3401, 5360), (3580, 5092)]