19315998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 48799296

約数和(自身を除く): 29483298

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 37, 39, 46, 69, 74, 78, 97, 111, 117, 138, 194, 207, 222, 234, 291, 299, 333, 414, 481, 582, 598, 666, 851, 873, 897, 962, 1261, 1443, 1702, 1746, 1794, 2231, 2522, 2553, 2691, 2886, 3589, 3783, 4329, 4462, 5106, 5382, 6693, 7178, 7566, 7659, 8658, 10767, 11063, 11349, 13386, 15318, 20079, 21534, 22126, 22698, 29003, 32301, 33189, 40158, 46657, 58006, 64602, 66378, 82547, 87009, 93314, 99567, 139971, 165094, 174018, 199134, 247641, 261027, 279942, 419913, 495282, 522054, 742923, 839826, 1073111, 1485846, 2146222, 3219333, 6438666, 9657999, 19315998]

約数ペア:

[(1, 19315998), (2, 9657999), (3, 6438666), (6, 3219333), (9, 2146222), (13, 1485846), (18, 1073111), (23, 839826), (26, 742923), (37, 522054), (39, 495282), (46, 419913), (69, 279942), (74, 261027), (78, 247641), (97, 199134), (111, 174018), (117, 165094), (138, 139971), (194, 99567), (207, 93314), (222, 87009), (234, 82547), (291, 66378), (299, 64602), (333, 58006), (414, 46657), (481, 40158), (582, 33189), (598, 32301), (666, 29003), (851, 22698), (873, 22126), (897, 21534), (962, 20079), (1261, 15318), (1443, 13386), (1702, 11349), (1746, 11063), (1794, 10767), (2231, 8658), (2522, 7659), (2553, 7566), (2691, 7178), (2886, 6693), (3589, 5382), (3783, 5106), (4329, 4462)]