19945008

素因数分解:

$2^4\times 3^3\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 57838560

約数和(自身を除く): 37893552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 137, 144, 216, 274, 337, 411, 432, 548, 674, 822, 1011, 1096, 1233, 1348, 1644, 2022, 2192, 2466, 2696, 3033, 3288, 3699, 4044, 4932, 5392, 6066, 6576, 7398, 8088, 9099, 9864, 12132, 14796, 16176, 18198, 19728, 24264, 29592, 36396, 46169, 48528, 59184, 72792, 92338, 138507, 145584, 184676, 277014, 369352, 415521, 554028, 738704, 831042, 1108056, 1246563, 1662084, 2216112, 2493126, 3324168, 4986252, 6648336, 9972504, 19945008]

約数ペア:

[(1, 19945008), (2, 9972504), (3, 6648336), (4, 4986252), (6, 3324168), (8, 2493126), (9, 2216112), (12, 1662084), (16, 1246563), (18, 1108056), (24, 831042), (27, 738704), (36, 554028), (48, 415521), (54, 369352), (72, 277014), (108, 184676), (137, 145584), (144, 138507), (216, 92338), (274, 72792), (337, 59184), (411, 48528), (432, 46169), (548, 36396), (674, 29592), (822, 24264), (1011, 19728), (1096, 18198), (1233, 16176), (1348, 14796), (1644, 12132), (2022, 9864), (2192, 9099), (2466, 8088), (2696, 7398), (3033, 6576), (3288, 6066), (3699, 5392), (4044, 4932)]