17990416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 39997440

約数和(自身を除く): 22007024

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 38, 46, 62, 76, 83, 92, 124, 152, 166, 184, 248, 304, 332, 368, 437, 496, 589, 664, 713, 874, 1178, 1328, 1426, 1577, 1748, 1909, 2356, 2573, 2852, 3154, 3496, 3818, 4712, 5146, 5704, 6308, 6992, 7636, 9424, 10292, 11408, 12616, 13547, 15272, 20584, 25232, 27094, 30544, 36271, 41168, 48887, 54188, 59179, 72542, 97774, 108376, 118358, 145084, 195548, 216752, 236716, 290168, 391096, 473432, 580336, 782192, 946864, 1124401, 2248802, 4497604, 8995208, 17990416]

約数ペア:

[(1, 17990416), (2, 8995208), (4, 4497604), (8, 2248802), (16, 1124401), (19, 946864), (23, 782192), (31, 580336), (38, 473432), (46, 391096), (62, 290168), (76, 236716), (83, 216752), (92, 195548), (124, 145084), (152, 118358), (166, 108376), (184, 97774), (248, 72542), (304, 59179), (332, 54188), (368, 48887), (437, 41168), (496, 36271), (589, 30544), (664, 27094), (713, 25232), (874, 20584), (1178, 15272), (1328, 13547), (1426, 12616), (1577, 11408), (1748, 10292), (1909, 9424), (2356, 7636), (2573, 6992), (2852, 6308), (3154, 5704), (3496, 5146), (3818, 4712)]