19588455

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 35324640

約数和(自身を除く): 15736185

約数列:

[1, 3, 5, 9, 15, 45, 67, 73, 89, 201, 219, 267, 335, 365, 445, 603, 657, 801, 1005, 1095, 1335, 3015, 3285, 4005, 4891, 5963, 6497, 14673, 17889, 19491, 24455, 29815, 32485, 44019, 53667, 58473, 73365, 89445, 97455, 220095, 268335, 292365, 435299, 1305897, 2176495, 3917691, 6529485, 19588455]

約数ペア:

[(1, 19588455), (3, 6529485), (5, 3917691), (9, 2176495), (15, 1305897), (45, 435299), (67, 292365), (73, 268335), (89, 220095), (201, 97455), (219, 89445), (267, 73365), (335, 58473), (365, 53667), (445, 44019), (603, 32485), (657, 29815), (801, 24455), (1005, 19491), (1095, 17889), (1335, 14673), (3015, 6497), (3285, 5963), (4005, 4891)]