19844678

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 16443322

約数列:

[1, 2, 7, 14, 17, 34, 119, 199, 238, 398, 419, 838, 1393, 2786, 2933, 3383, 5866, 6766, 7123, 14246, 23681, 47362, 49861, 83381, 99722, 166762, 583667, 1167334, 1417477, 2834954, 9922339, 19844678]

約数ペア:

[(1, 19844678), (2, 9922339), (7, 2834954), (14, 1417477), (17, 1167334), (34, 583667), (119, 166762), (199, 99722), (238, 83381), (398, 49861), (419, 47362), (838, 23681), (1393, 14246), (2786, 7123), (2933, 6766), (3383, 5866)]