2019013570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{1447}}^1$

素因数の和:2135

約数の個数: 64

約数和(自身を含む): 4297015296

約数和(自身を除く): 2278001726

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 643, 1085, 1286, 1447, 2170, 2894, 3215, 4501, 6430, 7235, 9002, 10129, 14470, 19933, 20258, 22505, 39866, 44857, 45010, 50645, 89714, 99665, 101290, 139531, 199330, 224285, 279062, 313999, 448570, 627998, 697655, 930421, 1395310, 1569995, 1860842, 3139990, 4652105, 6512947, 9304210, 13025894, 28843051, 32564735, 57686102, 65129470, 144215255, 201901357, 288430510, 403802714, 1009506785, 2019013570]

約数ペア:

[(1, 2019013570), (2, 1009506785), (5, 403802714), (7, 288430510), (10, 201901357), (14, 144215255), (31, 65129470), (35, 57686102), (62, 32564735), (70, 28843051), (155, 13025894), (217, 9304210), (310, 6512947), (434, 4652105), (643, 3139990), (1085, 1860842), (1286, 1569995), (1447, 1395310), (2170, 930421), (2894, 697655), (3215, 627998), (4501, 448570), (6430, 313999), (7235, 279062), (9002, 224285), (10129, 199330), (14470, 139531), (19933, 101290), (20258, 99665), (22505, 89714), (39866, 50645), (44857, 45010)]