19269380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5701}}^1$

素因数の和:5736

約数の個数: 36

約数和(自身を含む): 43825572

約数和(自身を除く): 24556192

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5701, 11402, 22804, 28505, 57010, 74113, 114020, 148226, 296452, 370565, 741130, 963469, 1482260, 1926938, 3853876, 4817345, 9634690, 19269380]

約数ペア:

[(1, 19269380), (2, 9634690), (4, 4817345), (5, 3853876), (10, 1926938), (13, 1482260), (20, 963469), (26, 741130), (52, 370565), (65, 296452), (130, 148226), (169, 114020), (260, 74113), (338, 57010), (676, 28505), (845, 22804), (1690, 11402), (3380, 5701)]