19619415

素因数分解:

$3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 35492688

約数和(自身を除く): 15873273

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 251, 405, 579, 753, 965, 1255, 1737, 2259, 2895, 3765, 5211, 6777, 8685, 11295, 15633, 20331, 26055, 33885, 48443, 78165, 101655, 145329, 242215, 435987, 726645, 1307961, 2179935, 3923883, 6539805, 19619415]

約数ペア:

[(1, 19619415), (3, 6539805), (5, 3923883), (9, 2179935), (15, 1307961), (27, 726645), (45, 435987), (81, 242215), (135, 145329), (193, 101655), (251, 78165), (405, 48443), (579, 33885), (753, 26055), (965, 20331), (1255, 15633), (1737, 11295), (2259, 8685), (2895, 6777), (3765, 5211)]