17939867545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{443}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 23979836160

約数和(自身を除く): 6039968615

約数列:

[1, 5, 19, 37, 41, 95, 185, 205, 281, 443, 703, 779, 1405, 1517, 2215, 3515, 3895, 5339, 7585, 8417, 10397, 11521, 16391, 18163, 26695, 28823, 42085, 51985, 57605, 81955, 90815, 124483, 144115, 197543, 218899, 311429, 345097, 426277, 622415, 672031, 987715, 1094495, 1557145, 1725485, 2131385, 2365177, 3360155, 4605871, 5103803, 8099263, 11825885, 12768589, 23029355, 25519015, 40496315, 63842945, 87511549, 96972257, 188840711, 437557745, 484861285, 944203555, 3587973509, 17939867545]

約数ペア:

[(1, 17939867545), (5, 3587973509), (19, 944203555), (37, 484861285), (41, 437557745), (95, 188840711), (185, 96972257), (205, 87511549), (281, 63842945), (443, 40496315), (703, 25519015), (779, 23029355), (1405, 12768589), (1517, 11825885), (2215, 8099263), (3515, 5103803), (3895, 4605871), (5339, 3360155), (7585, 2365177), (8417, 2131385), (10397, 1725485), (11521, 1557145), (16391, 1094495), (18163, 987715), (26695, 672031), (28823, 622415), (42085, 426277), (51985, 345097), (57605, 311429), (81955, 218899), (90815, 197543), (124483, 144115)]