19254972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 50274000

約数和(自身を除く): 31019028

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 121, 132, 149, 178, 242, 267, 298, 356, 363, 447, 484, 534, 596, 726, 894, 979, 1068, 1452, 1639, 1788, 1958, 2937, 3278, 3916, 4917, 5874, 6556, 9834, 10769, 11748, 13261, 18029, 19668, 21538, 26522, 32307, 36058, 39783, 43076, 53044, 54087, 64614, 72116, 79566, 108174, 129228, 145871, 159132, 216348, 291742, 437613, 583484, 875226, 1604581, 1750452, 3209162, 4813743, 6418324, 9627486, 19254972]

約数ペア:

[(1, 19254972), (2, 9627486), (3, 6418324), (4, 4813743), (6, 3209162), (11, 1750452), (12, 1604581), (22, 875226), (33, 583484), (44, 437613), (66, 291742), (89, 216348), (121, 159132), (132, 145871), (149, 129228), (178, 108174), (242, 79566), (267, 72116), (298, 64614), (356, 54087), (363, 53044), (447, 43076), (484, 39783), (534, 36058), (596, 32307), (726, 26522), (894, 21538), (979, 19668), (1068, 18029), (1452, 13261), (1639, 11748), (1788, 10769), (1958, 9834), (2937, 6556), (3278, 5874), (3916, 4917)]