18379790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12853}}^1$

素因数の和:12884

約数の個数: 32

約数和(自身を含む): 38870496

約数和(自身を除く): 20490706

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12853, 25706, 64265, 128530, 141383, 167089, 282766, 334178, 706915, 835445, 1413830, 1670890, 1837979, 3675958, 9189895, 18379790]

約数ペア:

[(1, 18379790), (2, 9189895), (5, 3675958), (10, 1837979), (11, 1670890), (13, 1413830), (22, 835445), (26, 706915), (55, 334178), (65, 282766), (110, 167089), (130, 141383), (143, 128530), (286, 64265), (715, 25706), (1430, 12853)]