1900554838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7741}}^1$

素因数の和:7853

約数の個数: 64

約数和(自身を含む): 3745889280

約数和(自身を除く): 1845334442

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 71, 91, 133, 142, 182, 247, 266, 494, 497, 923, 994, 1349, 1729, 1846, 2698, 3458, 6461, 7741, 9443, 12922, 15482, 17537, 18886, 35074, 54187, 100633, 108374, 122759, 147079, 201266, 245518, 294158, 549611, 704431, 1029553, 1099222, 1408862, 1912027, 2059106, 3824054, 3847277, 7144943, 7694554, 10442609, 13384189, 14289886, 20885218, 26768378, 50014601, 73098263, 100029202, 135753917, 146196526, 271507834, 950277419, 1900554838]

約数ペア:

[(1, 1900554838), (2, 950277419), (7, 271507834), (13, 146196526), (14, 135753917), (19, 100029202), (26, 73098263), (38, 50014601), (71, 26768378), (91, 20885218), (133, 14289886), (142, 13384189), (182, 10442609), (247, 7694554), (266, 7144943), (494, 3847277), (497, 3824054), (923, 2059106), (994, 1912027), (1349, 1408862), (1729, 1099222), (1846, 1029553), (2698, 704431), (3458, 549611), (6461, 294158), (7741, 245518), (9443, 201266), (12922, 147079), (15482, 122759), (17537, 108374), (18886, 100633), (35074, 54187)]