19217962545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{673}}^1\times {\mathrm{991}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 32927606784

約数和(自身を除く): 13709644239

約数列:

[1, 3, 5, 15, 17, 51, 85, 113, 255, 339, 565, 673, 991, 1695, 1921, 2019, 2973, 3365, 4955, 5763, 9605, 10095, 11441, 14865, 16847, 28815, 34323, 50541, 57205, 76049, 84235, 111983, 171615, 228147, 252705, 335949, 380245, 559915, 666943, 1140735, 1292833, 1679745, 1903711, 2000829, 3334715, 3878499, 5711133, 6464165, 9518555, 10004145, 11338031, 19392495, 28555665, 34014093, 56690155, 75364559, 170070465, 226093677, 376822795, 1130468385, 1281197503, 3843592509, 6405987515, 19217962545]

約数ペア:

[(1, 19217962545), (3, 6405987515), (5, 3843592509), (15, 1281197503), (17, 1130468385), (51, 376822795), (85, 226093677), (113, 170070465), (255, 75364559), (339, 56690155), (565, 34014093), (673, 28555665), (991, 19392495), (1695, 11338031), (1921, 10004145), (2019, 9518555), (2973, 6464165), (3365, 5711133), (4955, 3878499), (5763, 3334715), (9605, 2000829), (10095, 1903711), (11441, 1679745), (14865, 1292833), (16847, 1140735), (28815, 666943), (34323, 559915), (50541, 380245), (57205, 335949), (76049, 252705), (84235, 228147), (111983, 171615)]