18798858

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 45830400

約数和(自身を除く): 27031542

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 117, 122, 183, 234, 351, 366, 439, 549, 702, 793, 878, 1098, 1317, 1586, 1647, 2379, 2634, 3294, 3951, 4758, 5707, 7137, 7902, 11414, 11853, 14274, 17121, 21411, 23706, 26779, 34242, 42822, 51363, 53558, 80337, 102726, 154089, 160674, 241011, 308178, 348127, 482022, 696254, 723033, 1044381, 1446066, 2088762, 3133143, 6266286, 9399429, 18798858]

約数ペア:

[(1, 18798858), (2, 9399429), (3, 6266286), (6, 3133143), (9, 2088762), (13, 1446066), (18, 1044381), (26, 723033), (27, 696254), (39, 482022), (54, 348127), (61, 308178), (78, 241011), (117, 160674), (122, 154089), (183, 102726), (234, 80337), (351, 53558), (366, 51363), (439, 42822), (549, 34242), (702, 26779), (793, 23706), (878, 21411), (1098, 17121), (1317, 14274), (1586, 11853), (1647, 11414), (2379, 7902), (2634, 7137), (3294, 5707), (3951, 4758)]