19043172

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 50930880

約数和(自身を除く): 31887708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 109, 138, 207, 211, 218, 276, 327, 414, 422, 436, 633, 654, 828, 844, 981, 1266, 1308, 1899, 1962, 2507, 2532, 3798, 3924, 4853, 5014, 7521, 7596, 9706, 10028, 14559, 15042, 19412, 22563, 22999, 29118, 30084, 43677, 45126, 45998, 58236, 68997, 87354, 90252, 91996, 137994, 174708, 206991, 275988, 413982, 528977, 827964, 1057954, 1586931, 2115908, 3173862, 4760793, 6347724, 9521586, 19043172]

約数ペア:

[(1, 19043172), (2, 9521586), (3, 6347724), (4, 4760793), (6, 3173862), (9, 2115908), (12, 1586931), (18, 1057954), (23, 827964), (36, 528977), (46, 413982), (69, 275988), (92, 206991), (109, 174708), (138, 137994), (207, 91996), (211, 90252), (218, 87354), (276, 68997), (327, 58236), (414, 45998), (422, 45126), (436, 43677), (633, 30084), (654, 29118), (828, 22999), (844, 22563), (981, 19412), (1266, 15042), (1308, 14559), (1899, 10028), (1962, 9706), (2507, 7596), (2532, 7521), (3798, 5014), (3924, 4853)]