19530693

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7949}}^1$

素因数の和:7978

約数の個数: 32

約数和(自身を含む): 35616000

約数和(自身を除く): 16085307

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7949, 23847, 55643, 71541, 103337, 166929, 214623, 310011, 500787, 723359, 930033, 1502361, 2170077, 2790099, 6510231, 19530693]

約数ペア:

[(1, 19530693), (3, 6510231), (7, 2790099), (9, 2170077), (13, 1502361), (21, 930033), (27, 723359), (39, 500787), (63, 310011), (91, 214623), (117, 166929), (189, 103337), (273, 71541), (351, 55643), (819, 23847), (2457, 7949)]