1999694558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 3357910080

約数和(自身を除く): 1358215522

約数列:

[1, 2, 19, 38, 41, 53, 61, 82, 106, 122, 397, 779, 794, 1007, 1159, 1558, 2014, 2173, 2318, 2501, 3233, 4346, 5002, 6466, 7543, 15086, 16277, 21041, 24217, 32554, 41287, 42082, 47519, 48434, 61427, 82574, 95038, 122854, 132553, 265106, 309263, 399779, 460123, 618526, 799558, 862681, 920246, 992897, 1283501, 1725362, 1985794, 2518507, 2567002, 5037014, 16390939, 18865043, 24386519, 32781878, 37730086, 48773038, 52623541, 105247082, 999847279, 1999694558]

約数ペア:

[(1, 1999694558), (2, 999847279), (19, 105247082), (38, 52623541), (41, 48773038), (53, 37730086), (61, 32781878), (82, 24386519), (106, 18865043), (122, 16390939), (397, 5037014), (779, 2567002), (794, 2518507), (1007, 1985794), (1159, 1725362), (1558, 1283501), (2014, 992897), (2173, 920246), (2318, 862681), (2501, 799558), (3233, 618526), (4346, 460123), (5002, 399779), (6466, 309263), (7543, 265106), (15086, 132553), (16277, 122854), (21041, 95038), (24217, 82574), (32554, 61427), (41287, 48434), (42082, 47519)]