18673020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 57015504

約数和(自身を除く): 38342484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 457, 681, 908, 914, 1135, 1362, 1371, 1828, 2043, 2270, 2285, 2724, 2742, 3405, 4086, 4113, 4540, 4570, 5484, 6810, 6855, 8172, 8226, 9140, 10215, 13620, 13710, 16452, 20430, 20565, 27420, 40860, 41130, 82260, 103739, 207478, 311217, 414956, 518695, 622434, 933651, 1037390, 1244868, 1556085, 1867302, 2074780, 3112170, 3734604, 4668255, 6224340, 9336510, 18673020]

約数ペア:

[(1, 18673020), (2, 9336510), (3, 6224340), (4, 4668255), (5, 3734604), (6, 3112170), (9, 2074780), (10, 1867302), (12, 1556085), (15, 1244868), (18, 1037390), (20, 933651), (30, 622434), (36, 518695), (45, 414956), (60, 311217), (90, 207478), (180, 103739), (227, 82260), (454, 41130), (457, 40860), (681, 27420), (908, 20565), (914, 20430), (1135, 16452), (1362, 13710), (1371, 13620), (1828, 10215), (2043, 9140), (2270, 8226), (2285, 8172), (2724, 6855), (2742, 6810), (3405, 5484), (4086, 4570), (4113, 4540)]