18505151244

素因数分解:

$2^2\times 3^3\times {\mathrm{349}}^1\times {\mathrm{490957}}^1$

素因数の和:491319

約数の個数: 48

約数和(自身を含む): 48113884000

約数和(自身を除く): 29608732756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 349, 698, 1047, 1396, 2094, 3141, 4188, 6282, 9423, 12564, 18846, 37692, 490957, 981914, 1472871, 1963828, 2945742, 4418613, 5891484, 8837226, 13255839, 17674452, 26511678, 53023356, 171343993, 342687986, 514031979, 685375972, 1028063958, 1542095937, 2056127916, 3084191874, 4626287811, 6168383748, 9252575622, 18505151244]

約数ペア:

[(1, 18505151244), (2, 9252575622), (3, 6168383748), (4, 4626287811), (6, 3084191874), (9, 2056127916), (12, 1542095937), (18, 1028063958), (27, 685375972), (36, 514031979), (54, 342687986), (108, 171343993), (349, 53023356), (698, 26511678), (1047, 17674452), (1396, 13255839), (2094, 8837226), (3141, 5891484), (4188, 4418613), (6282, 2945742), (9423, 1963828), (12564, 1472871), (18846, 981914), (37692, 490957)]