19516788

素因数分解:

$2^2\times 3^7\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 54001920

約数和(自身を除く): 34485132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 97, 108, 138, 162, 194, 207, 243, 276, 291, 324, 388, 414, 486, 582, 621, 729, 828, 873, 972, 1164, 1242, 1458, 1746, 1863, 2187, 2231, 2484, 2619, 2916, 3492, 3726, 4374, 4462, 5238, 5589, 6693, 7452, 7857, 8748, 8924, 10476, 11178, 13386, 15714, 16767, 20079, 22356, 23571, 26772, 31428, 33534, 40158, 47142, 50301, 60237, 67068, 70713, 80316, 94284, 100602, 120474, 141426, 180711, 201204, 212139, 240948, 282852, 361422, 424278, 542133, 722844, 848556, 1084266, 1626399, 2168532, 3252798, 4879197, 6505596, 9758394, 19516788]

約数ペア:

[(1, 19516788), (2, 9758394), (3, 6505596), (4, 4879197), (6, 3252798), (9, 2168532), (12, 1626399), (18, 1084266), (23, 848556), (27, 722844), (36, 542133), (46, 424278), (54, 361422), (69, 282852), (81, 240948), (92, 212139), (97, 201204), (108, 180711), (138, 141426), (162, 120474), (194, 100602), (207, 94284), (243, 80316), (276, 70713), (291, 67068), (324, 60237), (388, 50301), (414, 47142), (486, 40158), (582, 33534), (621, 31428), (729, 26772), (828, 23571), (873, 22356), (972, 20079), (1164, 16767), (1242, 15714), (1458, 13386), (1746, 11178), (1863, 10476), (2187, 8924), (2231, 8748), (2484, 7857), (2619, 7452), (2916, 6693), (3492, 5589), (3726, 5238), (4374, 4462)]