19248964

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 42661080

約数和(自身を除く): 23412116

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 53, 68, 98, 106, 109, 119, 196, 212, 218, 238, 371, 436, 476, 742, 763, 833, 901, 1484, 1526, 1666, 1802, 1853, 2597, 3052, 3332, 3604, 3706, 5194, 5341, 5777, 6307, 7412, 10388, 10682, 11554, 12614, 12971, 21364, 23108, 25228, 25942, 40439, 44149, 51884, 80878, 88298, 90797, 98209, 161756, 176596, 181594, 196418, 283073, 363188, 392836, 566146, 687463, 1132292, 1374926, 2749852, 4812241, 9624482, 19248964]

約数ペア:

[(1, 19248964), (2, 9624482), (4, 4812241), (7, 2749852), (14, 1374926), (17, 1132292), (28, 687463), (34, 566146), (49, 392836), (53, 363188), (68, 283073), (98, 196418), (106, 181594), (109, 176596), (119, 161756), (196, 98209), (212, 90797), (218, 88298), (238, 80878), (371, 51884), (436, 44149), (476, 40439), (742, 25942), (763, 25228), (833, 23108), (901, 21364), (1484, 12971), (1526, 12614), (1666, 11554), (1802, 10682), (1853, 10388), (2597, 7412), (3052, 6307), (3332, 5777), (3604, 5341), (3706, 5194)]