17971506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 47443968

約数和(自身を除く): 29472462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 43, 62, 63, 86, 93, 107, 126, 129, 186, 214, 217, 258, 279, 301, 321, 387, 434, 558, 602, 642, 651, 749, 774, 903, 963, 1302, 1333, 1498, 1806, 1926, 1953, 2247, 2666, 2709, 3317, 3906, 3999, 4494, 4601, 5418, 6634, 6741, 7998, 9202, 9331, 9951, 11997, 13482, 13803, 18662, 19902, 23219, 23994, 27606, 27993, 29853, 32207, 41409, 46438, 55986, 59706, 64414, 69657, 82818, 83979, 96621, 139314, 142631, 167958, 193242, 208971, 285262, 289863, 417942, 427893, 579726, 855786, 998417, 1283679, 1996834, 2567358, 2995251, 5990502, 8985753, 17971506]

約数ペア:

[(1, 17971506), (2, 8985753), (3, 5990502), (6, 2995251), (7, 2567358), (9, 1996834), (14, 1283679), (18, 998417), (21, 855786), (31, 579726), (42, 427893), (43, 417942), (62, 289863), (63, 285262), (86, 208971), (93, 193242), (107, 167958), (126, 142631), (129, 139314), (186, 96621), (214, 83979), (217, 82818), (258, 69657), (279, 64414), (301, 59706), (321, 55986), (387, 46438), (434, 41409), (558, 32207), (602, 29853), (642, 27993), (651, 27606), (749, 23994), (774, 23219), (903, 19902), (963, 18662), (1302, 13803), (1333, 13482), (1498, 11997), (1806, 9951), (1926, 9331), (1953, 9202), (2247, 7998), (2666, 6741), (2709, 6634), (3317, 5418), (3906, 4601), (3999, 4494)]