18967704

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{127}}^2$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 55598940

約数和(自身を除く): 36631236

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 127, 147, 168, 196, 254, 294, 381, 392, 508, 588, 762, 889, 1016, 1176, 1524, 1778, 2667, 3048, 3556, 5334, 6223, 7112, 10668, 12446, 16129, 18669, 21336, 24892, 32258, 37338, 48387, 49784, 64516, 74676, 96774, 112903, 129032, 149352, 193548, 225806, 338709, 387096, 451612, 677418, 790321, 903224, 1354836, 1580642, 2370963, 2709672, 3161284, 4741926, 6322568, 9483852, 18967704]

約数ペア:

[(1, 18967704), (2, 9483852), (3, 6322568), (4, 4741926), (6, 3161284), (7, 2709672), (8, 2370963), (12, 1580642), (14, 1354836), (21, 903224), (24, 790321), (28, 677418), (42, 451612), (49, 387096), (56, 338709), (84, 225806), (98, 193548), (127, 149352), (147, 129032), (168, 112903), (196, 96774), (254, 74676), (294, 64516), (381, 49784), (392, 48387), (508, 37338), (588, 32258), (762, 24892), (889, 21336), (1016, 18669), (1176, 16129), (1524, 12446), (1778, 10668), (2667, 7112), (3048, 6223), (3556, 5334)]