19838136

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 51955200

約数和(自身を除く): 32117064

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 344, 376, 409, 516, 564, 818, 1032, 1128, 1227, 1636, 2021, 2454, 3272, 4042, 4908, 6063, 8084, 9816, 12126, 16168, 17587, 19223, 24252, 35174, 38446, 48504, 52761, 57669, 70348, 76892, 105522, 115338, 140696, 153784, 211044, 230676, 422088, 461352, 826589, 1653178, 2479767, 3306356, 4959534, 6612712, 9919068, 19838136]

約数ペア:

[(1, 19838136), (2, 9919068), (3, 6612712), (4, 4959534), (6, 3306356), (8, 2479767), (12, 1653178), (24, 826589), (43, 461352), (47, 422088), (86, 230676), (94, 211044), (129, 153784), (141, 140696), (172, 115338), (188, 105522), (258, 76892), (282, 70348), (344, 57669), (376, 52761), (409, 48504), (516, 38446), (564, 35174), (818, 24252), (1032, 19223), (1128, 17587), (1227, 16168), (1636, 12126), (2021, 9816), (2454, 8084), (3272, 6063), (4042, 4908)]