19892236

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 45000816

約数和(自身を除く): 25108580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 211, 259, 364, 422, 481, 518, 637, 844, 962, 1036, 1274, 1477, 1813, 1924, 2548, 2743, 2954, 3367, 3626, 5486, 5908, 6734, 7252, 7807, 10339, 10972, 13468, 15614, 19201, 20678, 23569, 31228, 38402, 41356, 47138, 54649, 76804, 94276, 101491, 109298, 134407, 202982, 218596, 268814, 382543, 405964, 537628, 710437, 765086, 1420874, 1530172, 2841748, 4973059, 9946118, 19892236]

約数ペア:

[(1, 19892236), (2, 9946118), (4, 4973059), (7, 2841748), (13, 1530172), (14, 1420874), (26, 765086), (28, 710437), (37, 537628), (49, 405964), (52, 382543), (74, 268814), (91, 218596), (98, 202982), (148, 134407), (182, 109298), (196, 101491), (211, 94276), (259, 76804), (364, 54649), (422, 47138), (481, 41356), (518, 38402), (637, 31228), (844, 23569), (962, 20678), (1036, 19201), (1274, 15614), (1477, 13468), (1813, 10972), (1924, 10339), (2548, 7807), (2743, 7252), (2954, 6734), (3367, 5908), (3626, 5486)]