19860147692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{37337}}^1$

素因数の和:37527

約数の個数: 72

約数和(自身を含む): 43938760992

約数和(自身を除く): 24078613300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 157, 242, 308, 314, 484, 628, 847, 1099, 1694, 1727, 2198, 3388, 3454, 4396, 6908, 12089, 18997, 24178, 37337, 37994, 48356, 74674, 75988, 132979, 149348, 261359, 265958, 410707, 522718, 531916, 821414, 1045436, 1642828, 2874949, 4517777, 5749898, 5861909, 9035554, 11499796, 11723818, 18071108, 23447636, 31624439, 41033363, 63248878, 64480999, 82066726, 126497756, 128961998, 164133452, 257923996, 451366993, 709290989, 902733986, 1418581978, 1805467972, 2837163956, 4965036923, 9930073846, 19860147692]

約数ペア:

[(1, 19860147692), (2, 9930073846), (4, 4965036923), (7, 2837163956), (11, 1805467972), (14, 1418581978), (22, 902733986), (28, 709290989), (44, 451366993), (77, 257923996), (121, 164133452), (154, 128961998), (157, 126497756), (242, 82066726), (308, 64480999), (314, 63248878), (484, 41033363), (628, 31624439), (847, 23447636), (1099, 18071108), (1694, 11723818), (1727, 11499796), (2198, 9035554), (3388, 5861909), (3454, 5749898), (4396, 4517777), (6908, 2874949), (12089, 1642828), (18997, 1045436), (24178, 821414), (37337, 531916), (37994, 522718), (48356, 410707), (74674, 265958), (75988, 261359), (132979, 149348)]