19826220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5417}}^1$

素因数の和:5490

約数の個数: 48

約数和(自身を含む): 56433888

約数和(自身を除く): 36607668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5417, 10834, 16251, 21668, 27085, 32502, 54170, 65004, 81255, 108340, 162510, 325020, 330437, 660874, 991311, 1321748, 1652185, 1982622, 3304370, 3965244, 4956555, 6608740, 9913110, 19826220]

約数ペア:

[(1, 19826220), (2, 9913110), (3, 6608740), (4, 4956555), (5, 3965244), (6, 3304370), (10, 1982622), (12, 1652185), (15, 1321748), (20, 991311), (30, 660874), (60, 330437), (61, 325020), (122, 162510), (183, 108340), (244, 81255), (305, 65004), (366, 54170), (610, 32502), (732, 27085), (915, 21668), (1220, 16251), (1830, 10834), (3660, 5417)]