19007930872

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{17981}}^1$

素因数の和:18476

約数の個数: 64

約数和(自身を含む): 41775782400

約数和(自身を除く): 22767851528

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 439, 602, 878, 1204, 1756, 2408, 3073, 3512, 6146, 12292, 17981, 18877, 24584, 35962, 37754, 71924, 75508, 125867, 132139, 143848, 151016, 251734, 264278, 503468, 528556, 773183, 1006936, 1057112, 1546366, 3092732, 5412281, 6185464, 7893659, 10824562, 15787318, 21649124, 31574636, 43298248, 55255613, 63149272, 110511226, 221022452, 339427337, 442044904, 678854674, 1357709348, 2375991359, 2715418696, 4751982718, 9503965436, 19007930872]

約数ペア:

[(1, 19007930872), (2, 9503965436), (4, 4751982718), (7, 2715418696), (8, 2375991359), (14, 1357709348), (28, 678854674), (43, 442044904), (56, 339427337), (86, 221022452), (172, 110511226), (301, 63149272), (344, 55255613), (439, 43298248), (602, 31574636), (878, 21649124), (1204, 15787318), (1756, 10824562), (2408, 7893659), (3073, 6185464), (3512, 5412281), (6146, 3092732), (12292, 1546366), (17981, 1057112), (18877, 1006936), (24584, 773183), (35962, 528556), (37754, 503468), (71924, 264278), (75508, 251734), (125867, 151016), (132139, 143848)]