19971432

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1167

約数の個数: 96

約数和(自身を含む): 61370400

約数和(自身を除く): 41398968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1123, 1368, 1482, 1976, 2223, 2246, 2964, 3369, 4446, 4492, 5928, 6738, 8892, 8984, 10107, 13476, 14599, 17784, 20214, 21337, 26952, 29198, 40428, 42674, 43797, 58396, 64011, 80856, 85348, 87594, 116792, 128022, 131391, 170696, 175188, 192033, 256044, 262782, 277381, 350376, 384066, 512088, 525564, 554762, 768132, 832143, 1051128, 1109524, 1536264, 1664286, 2219048, 2496429, 3328572, 4992858, 6657144, 9985716, 19971432]

約数ペア:

[(1, 19971432), (2, 9985716), (3, 6657144), (4, 4992858), (6, 3328572), (8, 2496429), (9, 2219048), (12, 1664286), (13, 1536264), (18, 1109524), (19, 1051128), (24, 832143), (26, 768132), (36, 554762), (38, 525564), (39, 512088), (52, 384066), (57, 350376), (72, 277381), (76, 262782), (78, 256044), (104, 192033), (114, 175188), (117, 170696), (152, 131391), (156, 128022), (171, 116792), (228, 87594), (234, 85348), (247, 80856), (312, 64011), (342, 58396), (456, 43797), (468, 42674), (494, 40428), (684, 29198), (741, 26952), (936, 21337), (988, 20214), (1123, 17784), (1368, 14599), (1482, 13476), (1976, 10107), (2223, 8984), (2246, 8892), (2964, 6738), (3369, 5928), (4446, 4492)]