19938492

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 59754240

約数和(自身を除く): 39815748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 89, 98, 126, 127, 147, 178, 196, 252, 254, 267, 294, 356, 381, 441, 508, 534, 588, 623, 762, 801, 882, 889, 1068, 1143, 1246, 1524, 1602, 1764, 1778, 1869, 2286, 2492, 2667, 3204, 3556, 3738, 4361, 4572, 5334, 5607, 6223, 7476, 8001, 8722, 10668, 11214, 11303, 12446, 13083, 16002, 17444, 18669, 22428, 22606, 24892, 26166, 32004, 33909, 37338, 39249, 45212, 52332, 56007, 67818, 74676, 78498, 79121, 101727, 112014, 135636, 156996, 158242, 203454, 224028, 237363, 316484, 406908, 474726, 553847, 712089, 949452, 1107694, 1424178, 1661541, 2215388, 2848356, 3323082, 4984623, 6646164, 9969246, 19938492]

約数ペア:

[(1, 19938492), (2, 9969246), (3, 6646164), (4, 4984623), (6, 3323082), (7, 2848356), (9, 2215388), (12, 1661541), (14, 1424178), (18, 1107694), (21, 949452), (28, 712089), (36, 553847), (42, 474726), (49, 406908), (63, 316484), (84, 237363), (89, 224028), (98, 203454), (126, 158242), (127, 156996), (147, 135636), (178, 112014), (196, 101727), (252, 79121), (254, 78498), (267, 74676), (294, 67818), (356, 56007), (381, 52332), (441, 45212), (508, 39249), (534, 37338), (588, 33909), (623, 32004), (762, 26166), (801, 24892), (882, 22606), (889, 22428), (1068, 18669), (1143, 17444), (1246, 16002), (1524, 13083), (1602, 12446), (1764, 11303), (1778, 11214), (1869, 10668), (2286, 8722), (2492, 8001), (2667, 7476), (3204, 6223), (3556, 5607), (3738, 5334), (4361, 4572)]