19155159

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 30873024

約数和(自身を除く): 11717865

約数列:

[1, 3, 9, 23, 37, 41, 61, 69, 111, 123, 183, 207, 333, 369, 549, 851, 943, 1403, 1517, 2257, 2501, 2553, 2829, 4209, 4551, 6771, 7503, 7659, 8487, 12627, 13653, 20313, 22509, 34891, 51911, 57523, 92537, 104673, 155733, 172569, 277611, 314019, 467199, 517707, 832833, 2128351, 6385053, 19155159]

約数ペア:

[(1, 19155159), (3, 6385053), (9, 2128351), (23, 832833), (37, 517707), (41, 467199), (61, 314019), (69, 277611), (111, 172569), (123, 155733), (183, 104673), (207, 92537), (333, 57523), (369, 51911), (549, 34891), (851, 22509), (943, 20313), (1403, 13653), (1517, 12627), (2257, 8487), (2501, 7659), (2553, 7503), (2829, 6771), (4209, 4551)]