19196940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45707}}^1$

素因数の和:45726

約数の個数: 48

約数和(自身を含む): 61431552

約数和(自身を除く): 42234612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45707, 91414, 137121, 182828, 228535, 274242, 319949, 457070, 548484, 639898, 685605, 914140, 959847, 1279796, 1371210, 1599745, 1919694, 2742420, 3199490, 3839388, 4799235, 6398980, 9598470, 19196940]

約数ペア:

[(1, 19196940), (2, 9598470), (3, 6398980), (4, 4799235), (5, 3839388), (6, 3199490), (7, 2742420), (10, 1919694), (12, 1599745), (14, 1371210), (15, 1279796), (20, 959847), (21, 914140), (28, 685605), (30, 639898), (35, 548484), (42, 457070), (60, 319949), (70, 274242), (84, 228535), (105, 182828), (140, 137121), (210, 91414), (420, 45707)]