18778812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 51170112

約数和(自身を除く): 32391300

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 73, 78, 97, 102, 146, 156, 194, 204, 219, 221, 291, 292, 388, 438, 442, 582, 663, 876, 884, 949, 1164, 1241, 1261, 1326, 1649, 1898, 2482, 2522, 2652, 2847, 3298, 3723, 3783, 3796, 4947, 4964, 5044, 5694, 6596, 7081, 7446, 7566, 9894, 11388, 14162, 14892, 15132, 16133, 19788, 21243, 21437, 28324, 32266, 42486, 42874, 48399, 64311, 64532, 84972, 85748, 92053, 96798, 120377, 128622, 184106, 193596, 240754, 257244, 276159, 361131, 368212, 481508, 552318, 722262, 1104636, 1444524, 1564901, 3129802, 4694703, 6259604, 9389406, 18778812]

約数ペア:

[(1, 18778812), (2, 9389406), (3, 6259604), (4, 4694703), (6, 3129802), (12, 1564901), (13, 1444524), (17, 1104636), (26, 722262), (34, 552318), (39, 481508), (51, 368212), (52, 361131), (68, 276159), (73, 257244), (78, 240754), (97, 193596), (102, 184106), (146, 128622), (156, 120377), (194, 96798), (204, 92053), (219, 85748), (221, 84972), (291, 64532), (292, 64311), (388, 48399), (438, 42874), (442, 42486), (582, 32266), (663, 28324), (876, 21437), (884, 21243), (949, 19788), (1164, 16133), (1241, 15132), (1261, 14892), (1326, 14162), (1649, 11388), (1898, 9894), (2482, 7566), (2522, 7446), (2652, 7081), (2847, 6596), (3298, 5694), (3723, 5044), (3783, 4964), (3796, 4947)]