19295367

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 14412153

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 273, 299, 439, 483, 637, 897, 1127, 1317, 1911, 2093, 3073, 3381, 5707, 6279, 9219, 10097, 14651, 17121, 21511, 30291, 39949, 43953, 64533, 70679, 119847, 131261, 212037, 279643, 393783, 494753, 838929, 918827, 1484259, 2756481, 6431789, 19295367]

約数ペア:

[(1, 19295367), (3, 6431789), (7, 2756481), (13, 1484259), (21, 918827), (23, 838929), (39, 494753), (49, 393783), (69, 279643), (91, 212037), (147, 131261), (161, 119847), (273, 70679), (299, 64533), (439, 43953), (483, 39949), (637, 30291), (897, 21511), (1127, 17121), (1317, 14651), (1911, 10097), (2093, 9219), (3073, 6279), (3381, 5707)]