19016816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 46705344

約数和(自身を除く): 27688528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 353, 364, 481, 518, 592, 706, 728, 962, 1036, 1412, 1456, 1924, 2072, 2471, 2824, 3367, 3848, 4144, 4589, 4942, 5648, 6734, 7696, 9178, 9884, 13061, 13468, 18356, 19768, 26122, 26936, 32123, 36712, 39536, 52244, 53872, 64246, 73424, 91427, 104488, 128492, 169793, 182854, 208976, 256984, 339586, 365708, 513968, 679172, 731416, 1188551, 1358344, 1462832, 2377102, 2716688, 4754204, 9508408, 19016816]

約数ペア:

[(1, 19016816), (2, 9508408), (4, 4754204), (7, 2716688), (8, 2377102), (13, 1462832), (14, 1358344), (16, 1188551), (26, 731416), (28, 679172), (37, 513968), (52, 365708), (56, 339586), (74, 256984), (91, 208976), (104, 182854), (112, 169793), (148, 128492), (182, 104488), (208, 91427), (259, 73424), (296, 64246), (353, 53872), (364, 52244), (481, 39536), (518, 36712), (592, 32123), (706, 26936), (728, 26122), (962, 19768), (1036, 18356), (1412, 13468), (1456, 13061), (1924, 9884), (2072, 9178), (2471, 7696), (2824, 6734), (3367, 5648), (3848, 4942), (4144, 4589)]