18883411911

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{390791}}^1$

素因数の和:390876

約数の個数: 48

約数和(自身を含む): 34139589120

約数和(自身を除く): 15256177209

約数列:

[1, 3, 7, 9, 13, 21, 39, 59, 63, 91, 117, 177, 273, 413, 531, 767, 819, 1239, 2301, 3717, 5369, 6903, 16107, 48321, 390791, 1172373, 2735537, 3517119, 5080283, 8206611, 15240849, 23056669, 24619833, 35561981, 45722547, 69170007, 106685943, 161396683, 207510021, 299736697, 320057829, 484190049, 899210091, 1452570147, 2098156879, 2697630273, 6294470637, 18883411911]

約数ペア:

[(1, 18883411911), (3, 6294470637), (7, 2697630273), (9, 2098156879), (13, 1452570147), (21, 899210091), (39, 484190049), (59, 320057829), (63, 299736697), (91, 207510021), (117, 161396683), (177, 106685943), (273, 69170007), (413, 45722547), (531, 35561981), (767, 24619833), (819, 23056669), (1239, 15240849), (2301, 8206611), (3717, 5080283), (5369, 3517119), (6903, 2735537), (16107, 1172373), (48321, 390791)]