18639062

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13294378

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 439, 598, 878, 923, 1633, 1846, 3266, 5707, 10097, 11414, 20194, 21229, 31169, 42458, 62338, 131261, 262522, 405197, 716887, 810394, 1433774, 9319531, 18639062]

約数ペア:

[(1, 18639062), (2, 9319531), (13, 1433774), (23, 810394), (26, 716887), (46, 405197), (71, 262522), (142, 131261), (299, 62338), (439, 42458), (598, 31169), (878, 21229), (923, 20194), (1633, 11414), (1846, 10097), (3266, 5707)]