19506735

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 36694944

約数和(自身を除く): 17188209

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 593, 645, 731, 765, 1779, 1935, 2193, 2965, 3655, 5337, 6579, 8895, 10081, 10965, 25499, 26685, 30243, 32895, 50405, 76497, 90729, 127495, 151215, 229491, 382485, 433483, 453645, 1147455, 1300449, 2167415, 3901347, 6502245, 19506735]

約数ペア:

[(1, 19506735), (3, 6502245), (5, 3901347), (9, 2167415), (15, 1300449), (17, 1147455), (43, 453645), (45, 433483), (51, 382485), (85, 229491), (129, 151215), (153, 127495), (215, 90729), (255, 76497), (387, 50405), (593, 32895), (645, 30243), (731, 26685), (765, 25499), (1779, 10965), (1935, 10081), (2193, 8895), (2965, 6579), (3655, 5337)]