18777768126

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{430663}}^1$

素因数の和:430737

約数の個数: 48

約数和(自身を含む): 41612478336

約数和(自身を除く): 22834710210

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 507, 559, 1014, 1118, 1677, 3354, 7267, 14534, 21801, 43602, 430663, 861326, 1291989, 2583978, 5598619, 11197238, 16795857, 18518509, 33591714, 37037018, 55555527, 72782047, 111111054, 145564094, 218346141, 240740617, 436692282, 481481234, 722221851, 1444443702, 3129628021, 6259256042, 9388884063, 18777768126]

約数ペア:

[(1, 18777768126), (2, 9388884063), (3, 6259256042), (6, 3129628021), (13, 1444443702), (26, 722221851), (39, 481481234), (43, 436692282), (78, 240740617), (86, 218346141), (129, 145564094), (169, 111111054), (258, 72782047), (338, 55555527), (507, 37037018), (559, 33591714), (1014, 18518509), (1118, 16795857), (1677, 11197238), (3354, 5598619), (7267, 2583978), (14534, 1291989), (21801, 861326), (43602, 430663)]