20186013708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{153749}}^1$

素因数の和:154287

約数の個数: 72

約数和(自身を含む): 58427460000

約数和(自身を除く): 38241446292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 1042, 1563, 2084, 3126, 3647, 4689, 6252, 7294, 9378, 10941, 14588, 18756, 21882, 32823, 43764, 65646, 131292, 153749, 307498, 461247, 614996, 922494, 1076243, 1383741, 1844988, 2152486, 2767482, 3228729, 4304972, 5534964, 6457458, 9686187, 12914916, 19372374, 38744748, 80103229, 160206458, 240309687, 320412916, 480619374, 560722603, 720929061, 961238748, 1121445206, 1441858122, 1682167809, 2242890412, 2883716244, 3364335618, 5046503427, 6728671236, 10093006854, 20186013708]

約数ペア:

[(1, 20186013708), (2, 10093006854), (3, 6728671236), (4, 5046503427), (6, 3364335618), (7, 2883716244), (9, 2242890412), (12, 1682167809), (14, 1441858122), (18, 1121445206), (21, 961238748), (28, 720929061), (36, 560722603), (42, 480619374), (63, 320412916), (84, 240309687), (126, 160206458), (252, 80103229), (521, 38744748), (1042, 19372374), (1563, 12914916), (2084, 9686187), (3126, 6457458), (3647, 5534964), (4689, 4304972), (6252, 3228729), (7294, 2767482), (9378, 2152486), (10941, 1844988), (14588, 1383741), (18756, 1076243), (21882, 922494), (32823, 614996), (43764, 461247), (65646, 307498), (131292, 153749)]