19427640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7039}}^1$

素因数の和:7076

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 41397960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7039, 14078, 21117, 28156, 35195, 42234, 56312, 70390, 84468, 105585, 140780, 161897, 168936, 211170, 281560, 323794, 422340, 485691, 647588, 809485, 844680, 971382, 1295176, 1618970, 1942764, 2428455, 3237940, 3885528, 4856910, 6475880, 9713820, 19427640]

約数ペア:

[(1, 19427640), (2, 9713820), (3, 6475880), (4, 4856910), (5, 3885528), (6, 3237940), (8, 2428455), (10, 1942764), (12, 1618970), (15, 1295176), (20, 971382), (23, 844680), (24, 809485), (30, 647588), (40, 485691), (46, 422340), (60, 323794), (69, 281560), (92, 211170), (115, 168936), (120, 161897), (138, 140780), (184, 105585), (230, 84468), (276, 70390), (345, 56312), (460, 42234), (552, 35195), (690, 28156), (920, 21117), (1380, 14078), (2760, 7039)]