17906512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 23340848

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 197, 208, 247, 299, 304, 368, 394, 437, 494, 598, 788, 874, 988, 1196, 1576, 1748, 1976, 2392, 2561, 3152, 3496, 3743, 3952, 4531, 4784, 5122, 5681, 6992, 7486, 9062, 10244, 11362, 14972, 18124, 20488, 22724, 29944, 36248, 40976, 45448, 48659, 58903, 59888, 72496, 86089, 90896, 97318, 117806, 172178, 194636, 235612, 344356, 389272, 471224, 688712, 778544, 942448, 1119157, 1377424, 2238314, 4476628, 8953256, 17906512]

約数ペア:

[(1, 17906512), (2, 8953256), (4, 4476628), (8, 2238314), (13, 1377424), (16, 1119157), (19, 942448), (23, 778544), (26, 688712), (38, 471224), (46, 389272), (52, 344356), (76, 235612), (92, 194636), (104, 172178), (152, 117806), (184, 97318), (197, 90896), (208, 86089), (247, 72496), (299, 59888), (304, 58903), (368, 48659), (394, 45448), (437, 40976), (494, 36248), (598, 29944), (788, 22724), (874, 20488), (988, 18124), (1196, 14972), (1576, 11362), (1748, 10244), (1976, 9062), (2392, 7486), (2561, 6992), (3152, 5681), (3496, 5122), (3743, 4784), (3952, 4531)]