19703385

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 38438400

約数和(自身を除く): 18735015

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 103, 109, 117, 135, 195, 309, 327, 351, 515, 545, 585, 927, 981, 1339, 1417, 1545, 1635, 1755, 2781, 2943, 4017, 4251, 4635, 4905, 6695, 7085, 11227, 12051, 12753, 13905, 14715, 20085, 21255, 33681, 36153, 38259, 56135, 60255, 63765, 101043, 145951, 168405, 180765, 191295, 303129, 437853, 505215, 729755, 1313559, 1515645, 2189265, 3940677, 6567795, 19703385]

約数ペア:

[(1, 19703385), (3, 6567795), (5, 3940677), (9, 2189265), (13, 1515645), (15, 1313559), (27, 729755), (39, 505215), (45, 437853), (65, 303129), (103, 191295), (109, 180765), (117, 168405), (135, 145951), (195, 101043), (309, 63765), (327, 60255), (351, 56135), (515, 38259), (545, 36153), (585, 33681), (927, 21255), (981, 20085), (1339, 14715), (1417, 13905), (1545, 12753), (1635, 12051), (1755, 11227), (2781, 7085), (2943, 6695), (4017, 4905), (4251, 4635)]