19350500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 72

約数和(自身を含む): 45962280

約数和(自身を除く): 26611780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 229, 250, 260, 325, 338, 458, 500, 650, 676, 845, 916, 1145, 1300, 1625, 1690, 2290, 2977, 3250, 3380, 4225, 4580, 5725, 5954, 6500, 8450, 11450, 11908, 14885, 16900, 21125, 22900, 28625, 29770, 38701, 42250, 57250, 59540, 74425, 77402, 84500, 114500, 148850, 154804, 193505, 297700, 372125, 387010, 744250, 774020, 967525, 1488500, 1935050, 3870100, 4837625, 9675250, 19350500]

約数ペア:

[(1, 19350500), (2, 9675250), (4, 4837625), (5, 3870100), (10, 1935050), (13, 1488500), (20, 967525), (25, 774020), (26, 744250), (50, 387010), (52, 372125), (65, 297700), (100, 193505), (125, 154804), (130, 148850), (169, 114500), (229, 84500), (250, 77402), (260, 74425), (325, 59540), (338, 57250), (458, 42250), (500, 38701), (650, 29770), (676, 28625), (845, 22900), (916, 21125), (1145, 16900), (1300, 14885), (1625, 11908), (1690, 11450), (2290, 8450), (2977, 6500), (3250, 5954), (3380, 5725), (4225, 4580)]