19345599

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 36541440

約数和(自身を除く): 17195841

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 79, 91, 117, 161, 169, 207, 237, 273, 299, 483, 507, 553, 711, 819, 897, 1027, 1183, 1449, 1521, 1659, 1817, 2093, 2691, 3081, 3549, 3887, 4977, 5451, 6279, 7189, 9243, 10647, 11661, 12719, 13351, 16353, 18837, 21567, 23621, 27209, 34983, 38157, 40053, 64701, 70863, 81627, 93457, 114471, 120159, 165347, 212589, 244881, 280371, 307073, 496041, 841113, 921219, 1488123, 2149511, 2763657, 6448533, 19345599]

約数ペア:

[(1, 19345599), (3, 6448533), (7, 2763657), (9, 2149511), (13, 1488123), (21, 921219), (23, 841113), (39, 496041), (63, 307073), (69, 280371), (79, 244881), (91, 212589), (117, 165347), (161, 120159), (169, 114471), (207, 93457), (237, 81627), (273, 70863), (299, 64701), (483, 40053), (507, 38157), (553, 34983), (711, 27209), (819, 23621), (897, 21567), (1027, 18837), (1183, 16353), (1449, 13351), (1521, 12719), (1659, 11661), (1817, 10647), (2093, 9243), (2691, 7189), (3081, 6279), (3549, 5451), (3887, 4977)]