19971912

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 52778880

約数和(自身を除く): 32806968

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 97, 138, 184, 194, 276, 291, 373, 388, 552, 582, 746, 776, 1119, 1164, 1492, 2231, 2238, 2328, 2984, 4462, 4476, 6693, 8579, 8924, 8952, 13386, 17158, 17848, 25737, 26772, 34316, 36181, 51474, 53544, 68632, 72362, 102948, 108543, 144724, 205896, 217086, 289448, 434172, 832163, 868344, 1664326, 2496489, 3328652, 4992978, 6657304, 9985956, 19971912]

約数ペア:

[(1, 19971912), (2, 9985956), (3, 6657304), (4, 4992978), (6, 3328652), (8, 2496489), (12, 1664326), (23, 868344), (24, 832163), (46, 434172), (69, 289448), (92, 217086), (97, 205896), (138, 144724), (184, 108543), (194, 102948), (276, 72362), (291, 68632), (373, 53544), (388, 51474), (552, 36181), (582, 34316), (746, 26772), (776, 25737), (1119, 17848), (1164, 17158), (1492, 13386), (2231, 8952), (2238, 8924), (2328, 8579), (2984, 6693), (4462, 4476)]