18934685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 11402083

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 263, 385, 595, 605, 847, 935, 1309, 1315, 1841, 2057, 2893, 4235, 4471, 6545, 9205, 10285, 14399, 14465, 20251, 22355, 31297, 31823, 49181, 71995, 101255, 156485, 159115, 222761, 245905, 344267, 540991, 1113805, 1721335, 2704955, 3786937, 18934685]

約数ペア:

[(1, 18934685), (5, 3786937), (7, 2704955), (11, 1721335), (17, 1113805), (35, 540991), (55, 344267), (77, 245905), (85, 222761), (119, 159115), (121, 156485), (187, 101255), (263, 71995), (385, 49181), (595, 31823), (605, 31297), (847, 22355), (935, 20251), (1309, 14465), (1315, 14399), (1841, 10285), (2057, 9205), (2893, 6545), (4235, 4471)]