19180395

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3643}}^1$

素因数の和:3673

約数の個数: 40

約数和(自身を含む): 37037616

約数和(自身を除く): 17857221

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3643, 5265, 10929, 18215, 32787, 47359, 54645, 98361, 142077, 163935, 236795, 295083, 426231, 491805, 710385, 1278693, 1475415, 2131155, 3836079, 6393465, 19180395]

約数ペア:

[(1, 19180395), (3, 6393465), (5, 3836079), (9, 2131155), (13, 1475415), (15, 1278693), (27, 710385), (39, 491805), (45, 426231), (65, 295083), (81, 236795), (117, 163935), (135, 142077), (195, 98361), (351, 54645), (405, 47359), (585, 32787), (1053, 18215), (1755, 10929), (3643, 5265)]