19078836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 52629696

約数和(自身を除く): 33550860

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 457, 497, 588, 852, 914, 994, 1371, 1491, 1828, 1988, 2742, 2982, 3199, 3479, 5484, 5964, 6398, 6958, 9597, 10437, 12796, 13916, 19194, 20874, 22393, 32447, 38388, 41748, 44786, 64894, 67179, 89572, 97341, 129788, 134358, 194682, 227129, 268716, 389364, 454258, 681387, 908516, 1362774, 1589903, 2725548, 3179806, 4769709, 6359612, 9539418, 19078836]

約数ペア:

[(1, 19078836), (2, 9539418), (3, 6359612), (4, 4769709), (6, 3179806), (7, 2725548), (12, 1589903), (14, 1362774), (21, 908516), (28, 681387), (42, 454258), (49, 389364), (71, 268716), (84, 227129), (98, 194682), (142, 134358), (147, 129788), (196, 97341), (213, 89572), (284, 67179), (294, 64894), (426, 44786), (457, 41748), (497, 38388), (588, 32447), (852, 22393), (914, 20874), (994, 19194), (1371, 13916), (1491, 12796), (1828, 10437), (1988, 9597), (2742, 6958), (2982, 6398), (3199, 5964), (3479, 5484)]