19972512

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9907}}^1$

素因数の和:9930

約数の個数: 72

約数和(自身を含む): 64917216

約数和(自身を除く): 44944704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9907, 19814, 29721, 39628, 59442, 69349, 79256, 89163, 118884, 138698, 158512, 178326, 208047, 237768, 277396, 317024, 356652, 416094, 475536, 554792, 624141, 713304, 832188, 951072, 1109584, 1248282, 1426608, 1664376, 2219168, 2496564, 2853216, 3328752, 4993128, 6657504, 9986256, 19972512]

約数ペア:

[(1, 19972512), (2, 9986256), (3, 6657504), (4, 4993128), (6, 3328752), (7, 2853216), (8, 2496564), (9, 2219168), (12, 1664376), (14, 1426608), (16, 1248282), (18, 1109584), (21, 951072), (24, 832188), (28, 713304), (32, 624141), (36, 554792), (42, 475536), (48, 416094), (56, 356652), (63, 317024), (72, 277396), (84, 237768), (96, 208047), (112, 178326), (126, 158512), (144, 138698), (168, 118884), (224, 89163), (252, 79256), (288, 69349), (336, 59442), (504, 39628), (672, 29721), (1008, 19814), (2016, 9907)]