18704196

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 56056000

約数和(自身を除く): 37351804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2749, 3402, 5498, 6804, 8247, 10996, 16494, 19243, 24741, 32988, 38486, 49482, 57729, 74223, 76972, 98964, 115458, 148446, 173187, 222669, 230916, 296892, 346374, 445338, 519561, 668007, 692748, 890676, 1039122, 1336014, 1558683, 2078244, 2672028, 3117366, 4676049, 6234732, 9352098, 18704196]

約数ペア:

[(1, 18704196), (2, 9352098), (3, 6234732), (4, 4676049), (6, 3117366), (7, 2672028), (9, 2078244), (12, 1558683), (14, 1336014), (18, 1039122), (21, 890676), (27, 692748), (28, 668007), (36, 519561), (42, 445338), (54, 346374), (63, 296892), (81, 230916), (84, 222669), (108, 173187), (126, 148446), (162, 115458), (189, 98964), (243, 76972), (252, 74223), (324, 57729), (378, 49482), (486, 38486), (567, 32988), (756, 24741), (972, 19243), (1134, 16494), (1701, 10996), (2268, 8247), (2749, 6804), (3402, 5498)]