2019921813

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11579}}^1$

素因数の和:11679

約数の個数: 64

約数和(自身を含む): 3735244800

約数和(自身を除く): 1715322987

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 91, 117, 189, 213, 273, 351, 497, 639, 819, 923, 1491, 1917, 2457, 2769, 4473, 6461, 8307, 11579, 13419, 19383, 24921, 34737, 58149, 81053, 104211, 150527, 174447, 243159, 312633, 451581, 729477, 822109, 1053689, 1354743, 2188431, 2466327, 3161067, 4064229, 5754763, 7398981, 9483201, 10687417, 17264289, 22196943, 28449603, 32062251, 51792867, 74811919, 96186753, 155378601, 224435757, 288560259, 673307271, 2019921813]

約数ペア:

[(1, 2019921813), (3, 673307271), (7, 288560259), (9, 224435757), (13, 155378601), (21, 96186753), (27, 74811919), (39, 51792867), (63, 32062251), (71, 28449603), (91, 22196943), (117, 17264289), (189, 10687417), (213, 9483201), (273, 7398981), (351, 5754763), (497, 4064229), (639, 3161067), (819, 2466327), (923, 2188431), (1491, 1354743), (1917, 1053689), (2457, 822109), (2769, 729477), (4473, 451581), (6461, 312633), (8307, 243159), (11579, 174447), (13419, 150527), (19383, 104211), (24921, 81053), (34737, 58149)]