19835568

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 59540832

約数和(自身を除く): 39705264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 53, 69, 72, 92, 106, 113, 138, 144, 159, 184, 207, 212, 226, 276, 318, 339, 368, 414, 424, 452, 477, 552, 636, 678, 828, 848, 904, 954, 1017, 1104, 1219, 1272, 1356, 1656, 1808, 1908, 2034, 2438, 2544, 2599, 2712, 3312, 3657, 3816, 4068, 4876, 5198, 5424, 5989, 7314, 7632, 7797, 8136, 9752, 10396, 10971, 11978, 14628, 15594, 16272, 17967, 19504, 20792, 21942, 23391, 23956, 29256, 31188, 35934, 41584, 43884, 46782, 47912, 53901, 58512, 62376, 71868, 87768, 93564, 95824, 107802, 124752, 137747, 143736, 175536, 187128, 215604, 275494, 287472, 374256, 413241, 431208, 550988, 826482, 862416, 1101976, 1239723, 1652964, 2203952, 2479446, 3305928, 4958892, 6611856, 9917784, 19835568]

約数ペア:

[(1, 19835568), (2, 9917784), (3, 6611856), (4, 4958892), (6, 3305928), (8, 2479446), (9, 2203952), (12, 1652964), (16, 1239723), (18, 1101976), (23, 862416), (24, 826482), (36, 550988), (46, 431208), (48, 413241), (53, 374256), (69, 287472), (72, 275494), (92, 215604), (106, 187128), (113, 175536), (138, 143736), (144, 137747), (159, 124752), (184, 107802), (207, 95824), (212, 93564), (226, 87768), (276, 71868), (318, 62376), (339, 58512), (368, 53901), (414, 47912), (424, 46782), (452, 43884), (477, 41584), (552, 35934), (636, 31188), (678, 29256), (828, 23956), (848, 23391), (904, 21942), (954, 20792), (1017, 19504), (1104, 17967), (1219, 16272), (1272, 15594), (1356, 14628), (1656, 11978), (1808, 10971), (1908, 10396), (2034, 9752), (2438, 8136), (2544, 7797), (2599, 7632), (2712, 7314), (3312, 5989), (3657, 5424), (3816, 5198), (4068, 4876)]