19887715442

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{1259}}^1$

素因数の和:1731

約数の個数: 64

約数和(自身を含む): 35435232000

約数和(自身を除く): 15547516558

約数列:

[1, 2, 7, 14, 53, 61, 106, 122, 349, 371, 427, 698, 742, 854, 1259, 2443, 2518, 3233, 4886, 6466, 8813, 17626, 18497, 21289, 22631, 36994, 42578, 45262, 66727, 76799, 129479, 133454, 149023, 153598, 258958, 298046, 439391, 467089, 537593, 878782, 934178, 1075186, 1128317, 2256634, 3075737, 4070347, 6151474, 7898219, 8140694, 15796438, 23287723, 26802851, 28492429, 46575446, 53605702, 56984858, 163014061, 187619957, 326028122, 375239914, 1420551103, 2841102206, 9943857721, 19887715442]

約数ペア:

[(1, 19887715442), (2, 9943857721), (7, 2841102206), (14, 1420551103), (53, 375239914), (61, 326028122), (106, 187619957), (122, 163014061), (349, 56984858), (371, 53605702), (427, 46575446), (698, 28492429), (742, 26802851), (854, 23287723), (1259, 15796438), (2443, 8140694), (2518, 7898219), (3233, 6151474), (4886, 4070347), (6466, 3075737), (8813, 2256634), (17626, 1128317), (18497, 1075186), (21289, 934178), (22631, 878782), (36994, 537593), (42578, 467089), (45262, 439391), (66727, 298046), (76799, 258958), (129479, 153598), (133454, 149023)]