18780220030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1193911}}^1$

素因数の和:1193953

約数の個数: 48

約数和(自身を含む): 40015154592

約数和(自身を除く): 21234934562

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 7865, 15730, 1193911, 2387822, 5969555, 11939110, 13133021, 15520843, 26266042, 31041686, 65665105, 77604215, 131330210, 144463231, 155208430, 170729273, 288926462, 341458546, 722316155, 853646365, 1444632310, 1707292730, 1878022003, 3756044006, 9390110015, 18780220030]

約数ペア:

[(1, 18780220030), (2, 9390110015), (5, 3756044006), (10, 1878022003), (11, 1707292730), (13, 1444632310), (22, 853646365), (26, 722316155), (55, 341458546), (65, 288926462), (110, 170729273), (121, 155208430), (130, 144463231), (143, 131330210), (242, 77604215), (286, 65665105), (605, 31041686), (715, 26266042), (1210, 15520843), (1430, 13133021), (1573, 11939110), (3146, 5969555), (7865, 2387822), (15730, 1193911)]