19063954

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 38304000

約数和(自身を除く): 19240046

約数列:

[1, 2, 7, 13, 14, 19, 26, 37, 38, 74, 91, 133, 149, 182, 247, 259, 266, 298, 481, 494, 518, 703, 962, 1043, 1406, 1729, 1937, 2086, 2831, 3367, 3458, 3874, 4921, 5513, 5662, 6734, 9139, 9842, 11026, 13559, 18278, 19817, 27118, 36803, 38591, 39634, 63973, 71669, 73606, 77182, 104747, 127946, 143338, 209494, 257621, 501683, 515242, 733229, 1003366, 1361711, 1466458, 2723422, 9531977, 19063954]

約数ペア:

[(1, 19063954), (2, 9531977), (7, 2723422), (13, 1466458), (14, 1361711), (19, 1003366), (26, 733229), (37, 515242), (38, 501683), (74, 257621), (91, 209494), (133, 143338), (149, 127946), (182, 104747), (247, 77182), (259, 73606), (266, 71669), (298, 63973), (481, 39634), (494, 38591), (518, 36803), (703, 27118), (962, 19817), (1043, 18278), (1406, 13559), (1729, 11026), (1937, 9842), (2086, 9139), (2831, 6734), (3367, 5662), (3458, 5513), (3874, 4921)]