18828900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{20921}}^1$

素因数の和:20941

約数の個数: 54

約数和(自身を含む): 59020962

約数和(自身を除く): 40192062

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 20921, 41842, 62763, 83684, 104605, 125526, 188289, 209210, 251052, 313815, 376578, 418420, 523025, 627630, 753156, 941445, 1046050, 1255260, 1569075, 1882890, 2092100, 3138150, 3765780, 4707225, 6276300, 9414450, 18828900]

約数ペア:

[(1, 18828900), (2, 9414450), (3, 6276300), (4, 4707225), (5, 3765780), (6, 3138150), (9, 2092100), (10, 1882890), (12, 1569075), (15, 1255260), (18, 1046050), (20, 941445), (25, 753156), (30, 627630), (36, 523025), (45, 418420), (50, 376578), (60, 313815), (75, 251052), (90, 209210), (100, 188289), (150, 125526), (180, 104605), (225, 83684), (300, 62763), (450, 41842), (900, 20921)]