19017424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 20355056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 503, 556, 1006, 1112, 2012, 2224, 2363, 4024, 4726, 8048, 8551, 9452, 17102, 18904, 34204, 37808, 68408, 69917, 136816, 139834, 279668, 559336, 1118672, 1188589, 2377178, 4754356, 9508712, 19017424]

約数ペア:

[(1, 19017424), (2, 9508712), (4, 4754356), (8, 2377178), (16, 1188589), (17, 1118672), (34, 559336), (68, 279668), (136, 139834), (139, 136816), (272, 69917), (278, 68408), (503, 37808), (556, 34204), (1006, 18904), (1112, 17102), (2012, 9452), (2224, 8551), (2363, 8048), (4024, 4726)]