19247228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 50050560

約数和(自身を除く): 30803332

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 23, 26, 28, 38, 44, 46, 52, 76, 77, 91, 92, 121, 133, 143, 154, 161, 182, 209, 242, 247, 253, 266, 286, 299, 308, 322, 364, 418, 437, 484, 494, 506, 532, 572, 598, 644, 836, 847, 874, 988, 1001, 1012, 1196, 1463, 1573, 1694, 1729, 1748, 1771, 2002, 2093, 2299, 2717, 2783, 2926, 3059, 3146, 3289, 3388, 3458, 3542, 4004, 4186, 4598, 4807, 5434, 5566, 5681, 5852, 6118, 6292, 6578, 6916, 7084, 8372, 9196, 9614, 10868, 11011, 11132, 11362, 12236, 13156, 16093, 19019, 19228, 19481, 22022, 22724, 23023, 29887, 32186, 33649, 36179, 38038, 38962, 39767, 44044, 46046, 52877, 59774, 62491, 64372, 67298, 72358, 76076, 77924, 79534, 92092, 105754, 119548, 124982, 134596, 144716, 159068, 209209, 211508, 249964, 253253, 370139, 418418, 437437, 506506, 687401, 740278, 836836, 874874, 1013012, 1374802, 1480556, 1749748, 2749604, 4811807, 9623614, 19247228]

約数ペア:

[(1, 19247228), (2, 9623614), (4, 4811807), (7, 2749604), (11, 1749748), (13, 1480556), (14, 1374802), (19, 1013012), (22, 874874), (23, 836836), (26, 740278), (28, 687401), (38, 506506), (44, 437437), (46, 418418), (52, 370139), (76, 253253), (77, 249964), (91, 211508), (92, 209209), (121, 159068), (133, 144716), (143, 134596), (154, 124982), (161, 119548), (182, 105754), (209, 92092), (242, 79534), (247, 77924), (253, 76076), (266, 72358), (286, 67298), (299, 64372), (308, 62491), (322, 59774), (364, 52877), (418, 46046), (437, 44044), (484, 39767), (494, 38962), (506, 38038), (532, 36179), (572, 33649), (598, 32186), (644, 29887), (836, 23023), (847, 22724), (874, 22022), (988, 19481), (1001, 19228), (1012, 19019), (1196, 16093), (1463, 13156), (1573, 12236), (1694, 11362), (1729, 11132), (1748, 11011), (1771, 10868), (2002, 9614), (2093, 9196), (2299, 8372), (2717, 7084), (2783, 6916), (2926, 6578), (3059, 6292), (3146, 6118), (3289, 5852), (3388, 5681), (3458, 5566), (3542, 5434), (4004, 4807), (4186, 4598)]