18310383

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 33080320

約数和(自身を除く): 14769937

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 283, 553, 711, 819, 849, 1027, 1659, 1981, 2547, 3081, 3679, 4977, 5943, 7189, 9243, 11037, 17829, 21567, 22357, 25753, 33111, 64701, 67071, 77259, 156499, 201213, 231777, 290641, 469497, 871923, 1408491, 2034487, 2615769, 6103461, 18310383]

約数ペア:

[(1, 18310383), (3, 6103461), (7, 2615769), (9, 2034487), (13, 1408491), (21, 871923), (39, 469497), (63, 290641), (79, 231777), (91, 201213), (117, 156499), (237, 77259), (273, 67071), (283, 64701), (553, 33111), (711, 25753), (819, 22357), (849, 21567), (1027, 17829), (1659, 11037), (1981, 9243), (2547, 7189), (3081, 5943), (3679, 4977)]