2018884860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{61967}}^1$

素因数の和:62163

約数の個数: 72

約数和(自身を含む): 6157884096

約数和(自身を除く): 4138999236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 32580, 61967, 123934, 185901, 247868, 309835, 371802, 557703, 619670, 743604, 929505, 1115406, 1239340, 1859010, 2230812, 2788515, 3718020, 5577030, 11154060, 11216027, 22432054, 33648081, 44864108, 56080135, 67296162, 100944243, 112160270, 134592324, 168240405, 201888486, 224320540, 336480810, 403776972, 504721215, 672961620, 1009442430, 2018884860]

約数ペア:

[(1, 2018884860), (2, 1009442430), (3, 672961620), (4, 504721215), (5, 403776972), (6, 336480810), (9, 224320540), (10, 201888486), (12, 168240405), (15, 134592324), (18, 112160270), (20, 100944243), (30, 67296162), (36, 56080135), (45, 44864108), (60, 33648081), (90, 22432054), (180, 11216027), (181, 11154060), (362, 5577030), (543, 3718020), (724, 2788515), (905, 2230812), (1086, 1859010), (1629, 1239340), (1810, 1115406), (2172, 929505), (2715, 743604), (3258, 619670), (3620, 557703), (5430, 371802), (6516, 309835), (8145, 247868), (10860, 185901), (16290, 123934), (32580, 61967)]