19548945

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 39029760

約数和(自身を除く): 19480815

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 79, 81, 117, 135, 141, 195, 235, 237, 351, 395, 405, 423, 585, 611, 705, 711, 1027, 1053, 1185, 1269, 1755, 1833, 2115, 2133, 3055, 3081, 3555, 3713, 3807, 5135, 5265, 5499, 6345, 6399, 9165, 9243, 10665, 11139, 15405, 16497, 18565, 19035, 27495, 27729, 31995, 33417, 46215, 48269, 49491, 55695, 82485, 83187, 100251, 138645, 144807, 167085, 241345, 247455, 300753, 415935, 434421, 501255, 724035, 1303263, 1503765, 2172105, 3909789, 6516315, 19548945]

約数ペア:

[(1, 19548945), (3, 6516315), (5, 3909789), (9, 2172105), (13, 1503765), (15, 1303263), (27, 724035), (39, 501255), (45, 434421), (47, 415935), (65, 300753), (79, 247455), (81, 241345), (117, 167085), (135, 144807), (141, 138645), (195, 100251), (235, 83187), (237, 82485), (351, 55695), (395, 49491), (405, 48269), (423, 46215), (585, 33417), (611, 31995), (705, 27729), (711, 27495), (1027, 19035), (1053, 18565), (1185, 16497), (1269, 15405), (1755, 11139), (1833, 10665), (2115, 9243), (2133, 9165), (3055, 6399), (3081, 6345), (3555, 5499), (3713, 5265), (3807, 5135)]