19730415

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 32919552

約数和(自身を除く): 13189137

約数列:

[1, 3, 5, 15, 31, 93, 151, 155, 281, 453, 465, 755, 843, 1405, 2265, 4215, 4681, 8711, 14043, 23405, 26133, 42431, 43555, 70215, 127293, 130665, 212155, 636465, 1315361, 3946083, 6576805, 19730415]

約数ペア:

[(1, 19730415), (3, 6576805), (5, 3946083), (15, 1315361), (31, 636465), (93, 212155), (151, 130665), (155, 127293), (281, 70215), (453, 43555), (465, 42431), (755, 26133), (843, 23405), (1405, 14043), (2265, 8711), (4215, 4681)]