19238940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15269}}^1$

素因数の和:15291

約数の個数: 72

約数和(自身を含む): 66699360

約数和(自身を除く): 47460420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15269, 30538, 45807, 61076, 76345, 91614, 106883, 137421, 152690, 183228, 213766, 229035, 274842, 305380, 320649, 427532, 458070, 534415, 549684, 641298, 687105, 916140, 961947, 1068830, 1282596, 1374210, 1603245, 1923894, 2137660, 2748420, 3206490, 3847788, 4809735, 6412980, 9619470, 19238940]

約数ペア:

[(1, 19238940), (2, 9619470), (3, 6412980), (4, 4809735), (5, 3847788), (6, 3206490), (7, 2748420), (9, 2137660), (10, 1923894), (12, 1603245), (14, 1374210), (15, 1282596), (18, 1068830), (20, 961947), (21, 916140), (28, 687105), (30, 641298), (35, 549684), (36, 534415), (42, 458070), (45, 427532), (60, 320649), (63, 305380), (70, 274842), (84, 229035), (90, 213766), (105, 183228), (126, 152690), (140, 137421), (180, 106883), (210, 91614), (252, 76345), (315, 61076), (420, 45807), (630, 30538), (1260, 15269)]