19488636698391

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{6174643}}^1$

素因数の和:6175101

約数の個数: 72

約数和(自身を含む): 34754823505584

約数和(自身を除く): 15266186807193

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 421, 441, 833, 1071, 1263, 2499, 2947, 3789, 7157, 7497, 8841, 20629, 21471, 26523, 50099, 61887, 64413, 150297, 185661, 350693, 450891, 1052079, 3156237, 6174643, 18523929, 43222501, 55571787, 104968931, 129667503, 302557507, 314906793, 389002509, 734782517, 907672521, 944720379, 2204347551, 2599524703, 2723017563, 5143477619, 6613042653, 7798574109, 15430432857, 18196672921, 23395722327, 44191919951, 46291298571, 54590018763, 127376710447, 132575759853, 163770056289, 309343439657, 382130131341, 397727279559, 928030318971, 1146390394023, 2165404077599, 2784090956913, 6496212232797, 19488636698391]

約数ペア:

[(1, 19488636698391), (3, 6496212232797), (7, 2784090956913), (9, 2165404077599), (17, 1146390394023), (21, 928030318971), (49, 397727279559), (51, 382130131341), (63, 309343439657), (119, 163770056289), (147, 132575759853), (153, 127376710447), (357, 54590018763), (421, 46291298571), (441, 44191919951), (833, 23395722327), (1071, 18196672921), (1263, 15430432857), (2499, 7798574109), (2947, 6613042653), (3789, 5143477619), (7157, 2723017563), (7497, 2599524703), (8841, 2204347551), (20629, 944720379), (21471, 907672521), (26523, 734782517), (50099, 389002509), (61887, 314906793), (64413, 302557507), (150297, 129667503), (185661, 104968931), (350693, 55571787), (450891, 43222501), (1052079, 18523929), (3156237, 6174643)]