19318260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24767}}^1$

素因数の和:24792

約数の個数: 48

約数和(自身を含む): 58254336

約数和(自身を除く): 38936076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24767, 49534, 74301, 99068, 123835, 148602, 247670, 297204, 321971, 371505, 495340, 643942, 743010, 965913, 1287884, 1486020, 1609855, 1931826, 3219710, 3863652, 4829565, 6439420, 9659130, 19318260]

約数ペア:

[(1, 19318260), (2, 9659130), (3, 6439420), (4, 4829565), (5, 3863652), (6, 3219710), (10, 1931826), (12, 1609855), (13, 1486020), (15, 1287884), (20, 965913), (26, 743010), (30, 643942), (39, 495340), (52, 371505), (60, 321971), (65, 297204), (78, 247670), (130, 148602), (156, 123835), (195, 99068), (260, 74301), (390, 49534), (780, 24767)]