19667284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 43013376

約数和(自身を除く): 23346092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 761, 923, 994, 1522, 1846, 1988, 3044, 3692, 5327, 6461, 9893, 10654, 12922, 19786, 21308, 25844, 39572, 54031, 69251, 108062, 138502, 216124, 277004, 378217, 702403, 756434, 1404806, 1512868, 2809612, 4916821, 9833642, 19667284]

約数ペア:

[(1, 19667284), (2, 9833642), (4, 4916821), (7, 2809612), (13, 1512868), (14, 1404806), (26, 756434), (28, 702403), (52, 378217), (71, 277004), (91, 216124), (142, 138502), (182, 108062), (284, 69251), (364, 54031), (497, 39572), (761, 25844), (923, 21308), (994, 19786), (1522, 12922), (1846, 10654), (1988, 9893), (3044, 6461), (3692, 5327)]