19947662

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 35571648

約数和(自身を除く): 15623986

約数列:

[1, 2, 7, 14, 37, 74, 97, 194, 259, 397, 518, 679, 794, 1358, 2779, 3589, 5558, 7178, 14689, 25123, 29378, 38509, 50246, 77018, 102823, 205646, 269563, 539126, 1424833, 2849666, 9973831, 19947662]

約数ペア:

[(1, 19947662), (2, 9973831), (7, 2849666), (14, 1424833), (37, 539126), (74, 269563), (97, 205646), (194, 102823), (259, 77018), (397, 50246), (518, 38509), (679, 29378), (794, 25123), (1358, 14689), (2779, 7178), (3589, 5558)]