19536664

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 24331496

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 67, 82, 127, 134, 164, 254, 268, 287, 328, 469, 508, 536, 574, 889, 938, 1016, 1148, 1778, 1876, 2296, 2747, 3556, 3752, 5207, 5494, 7112, 8509, 10414, 10988, 17018, 19229, 20828, 21976, 34036, 36449, 38458, 41656, 59563, 68072, 72898, 76916, 119126, 145796, 153832, 238252, 291592, 348869, 476504, 697738, 1395476, 2442083, 2790952, 4884166, 9768332, 19536664]

約数ペア:

[(1, 19536664), (2, 9768332), (4, 4884166), (7, 2790952), (8, 2442083), (14, 1395476), (28, 697738), (41, 476504), (56, 348869), (67, 291592), (82, 238252), (127, 153832), (134, 145796), (164, 119126), (254, 76916), (268, 72898), (287, 68072), (328, 59563), (469, 41656), (508, 38458), (536, 36449), (574, 34036), (889, 21976), (938, 20828), (1016, 19229), (1148, 17018), (1778, 10988), (1876, 10414), (2296, 8509), (2747, 7112), (3556, 5494), (3752, 5207)]