17967986918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1\times {\mathrm{1303}}^1$

素因数の和:2481

約数の個数: 64

約数和(自身を含む): 33168752640

約数和(自身を除く): 15200765722

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1103, 1303, 1786, 2206, 2606, 6251, 7721, 9121, 12502, 15442, 18242, 20957, 24757, 41914, 49514, 51841, 61241, 103682, 122482, 146699, 173299, 293398, 346598, 362887, 428687, 725774, 857374, 984979, 1163579, 1437209, 1969958, 2327158, 2874418, 6894853, 8145053, 10060463, 13789706, 16290106, 20120926, 27306971, 54613942, 67548823, 135097646, 191148797, 382297594, 472841761, 945683522, 1283427637, 2566855274, 8983993459, 17967986918]

約数ペア:

[(1, 17967986918), (2, 8983993459), (7, 2566855274), (14, 1283427637), (19, 945683522), (38, 472841761), (47, 382297594), (94, 191148797), (133, 135097646), (266, 67548823), (329, 54613942), (658, 27306971), (893, 20120926), (1103, 16290106), (1303, 13789706), (1786, 10060463), (2206, 8145053), (2606, 6894853), (6251, 2874418), (7721, 2327158), (9121, 1969958), (12502, 1437209), (15442, 1163579), (18242, 984979), (20957, 857374), (24757, 725774), (41914, 428687), (49514, 362887), (51841, 346598), (61241, 293398), (103682, 173299), (122482, 146699)]