19630040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 48556800

約数和(自身を除く): 28926760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1123, 1748, 2185, 2246, 3496, 4370, 4492, 5615, 8740, 8984, 11230, 17480, 21337, 22460, 25829, 42674, 44920, 51658, 85348, 103316, 106685, 129145, 170696, 206632, 213370, 258290, 426740, 490751, 516580, 853480, 981502, 1033160, 1963004, 2453755, 3926008, 4907510, 9815020, 19630040]

約数ペア:

[(1, 19630040), (2, 9815020), (4, 4907510), (5, 3926008), (8, 2453755), (10, 1963004), (19, 1033160), (20, 981502), (23, 853480), (38, 516580), (40, 490751), (46, 426740), (76, 258290), (92, 213370), (95, 206632), (115, 170696), (152, 129145), (184, 106685), (190, 103316), (230, 85348), (380, 51658), (437, 44920), (460, 42674), (760, 25829), (874, 22460), (920, 21337), (1123, 17480), (1748, 11230), (2185, 8984), (2246, 8740), (3496, 5615), (4370, 4492)]