201921588

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 599639040

約数和(自身を除く): 397717452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 47, 57, 66, 76, 94, 99, 114, 132, 141, 171, 188, 198, 209, 228, 282, 342, 396, 418, 423, 517, 564, 571, 627, 684, 836, 846, 893, 1034, 1142, 1254, 1551, 1692, 1713, 1786, 1881, 2068, 2284, 2508, 2679, 3102, 3426, 3572, 3762, 4653, 5139, 5358, 6204, 6281, 6852, 7524, 8037, 9306, 9823, 10278, 10716, 10849, 12562, 16074, 18612, 18843, 19646, 20556, 21698, 25124, 26837, 29469, 32148, 32547, 37686, 39292, 43396, 53674, 56529, 58938, 65094, 75372, 80511, 88407, 97641, 107348, 113058, 117876, 119339, 130188, 161022, 176814, 195282, 226116, 238678, 241533, 295207, 322044, 353628, 358017, 390564, 477356, 483066, 509903, 590414, 716034, 885621, 966132, 1019806, 1074051, 1180828, 1432068, 1529709, 1771242, 2039612, 2148102, 2656863, 3059418, 3542484, 4296204, 4589127, 5313726, 5608933, 6118836, 9178254, 10627452, 11217866, 16826799, 18356508, 22435732, 33653598, 50480397, 67307196, 100960794, 201921588]

約数ペア:

[(1, 201921588), (2, 100960794), (3, 67307196), (4, 50480397), (6, 33653598), (9, 22435732), (11, 18356508), (12, 16826799), (18, 11217866), (19, 10627452), (22, 9178254), (33, 6118836), (36, 5608933), (38, 5313726), (44, 4589127), (47, 4296204), (57, 3542484), (66, 3059418), (76, 2656863), (94, 2148102), (99, 2039612), (114, 1771242), (132, 1529709), (141, 1432068), (171, 1180828), (188, 1074051), (198, 1019806), (209, 966132), (228, 885621), (282, 716034), (342, 590414), (396, 509903), (418, 483066), (423, 477356), (517, 390564), (564, 358017), (571, 353628), (627, 322044), (684, 295207), (836, 241533), (846, 238678), (893, 226116), (1034, 195282), (1142, 176814), (1254, 161022), (1551, 130188), (1692, 119339), (1713, 117876), (1786, 113058), (1881, 107348), (2068, 97641), (2284, 88407), (2508, 80511), (2679, 75372), (3102, 65094), (3426, 58938), (3572, 56529), (3762, 53674), (4653, 43396), (5139, 39292), (5358, 37686), (6204, 32547), (6281, 32148), (6852, 29469), (7524, 26837), (8037, 25124), (9306, 21698), (9823, 20556), (10278, 19646), (10716, 18843), (10849, 18612), (12562, 16074)]