19846771839

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 31077118800

約数和(自身を除く): 11230346961

約数列:

[1, 3, 9, 17, 51, 83, 149, 153, 249, 289, 447, 617, 747, 867, 1341, 1411, 1851, 2533, 2601, 4233, 5553, 7599, 10489, 12367, 12699, 22797, 23987, 31467, 37101, 43061, 51211, 71961, 91933, 94401, 111303, 129183, 153633, 178313, 210239, 215883, 275799, 387549, 460899, 534939, 630717, 827397, 870587, 1562861, 1604817, 1892151, 2611761, 3574063, 4688583, 7630439, 7835283, 10722189, 14065749, 14799979, 22891317, 26568637, 32166567, 44399937, 68673951, 79705911, 129717463, 133199811, 239117733, 389152389, 1167457167, 2205196871, 6615590613, 19846771839]

約数ペア:

[(1, 19846771839), (3, 6615590613), (9, 2205196871), (17, 1167457167), (51, 389152389), (83, 239117733), (149, 133199811), (153, 129717463), (249, 79705911), (289, 68673951), (447, 44399937), (617, 32166567), (747, 26568637), (867, 22891317), (1341, 14799979), (1411, 14065749), (1851, 10722189), (2533, 7835283), (2601, 7630439), (4233, 4688583), (5553, 3574063), (7599, 2611761), (10489, 1892151), (12367, 1604817), (12699, 1562861), (22797, 870587), (23987, 827397), (31467, 630717), (37101, 534939), (43061, 460899), (51211, 387549), (71961, 275799), (91933, 215883), (94401, 210239), (111303, 178313), (129183, 153633)]