19354680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17921}}^1$

素因数の和:17941

約数の個数: 64

約数和(自身を含む): 64519200

約数和(自身を除く): 45164520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17921, 35842, 53763, 71684, 89605, 107526, 143368, 161289, 179210, 215052, 268815, 322578, 358420, 430104, 483867, 537630, 645156, 716840, 806445, 967734, 1075260, 1290312, 1612890, 1935468, 2150520, 2419335, 3225780, 3870936, 4838670, 6451560, 9677340, 19354680]

約数ペア:

[(1, 19354680), (2, 9677340), (3, 6451560), (4, 4838670), (5, 3870936), (6, 3225780), (8, 2419335), (9, 2150520), (10, 1935468), (12, 1612890), (15, 1290312), (18, 1075260), (20, 967734), (24, 806445), (27, 716840), (30, 645156), (36, 537630), (40, 483867), (45, 430104), (54, 358420), (60, 322578), (72, 268815), (90, 215052), (108, 179210), (120, 161289), (135, 143368), (180, 107526), (216, 89605), (270, 71684), (360, 53763), (540, 35842), (1080, 17921)]