18016900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1489}}^1$

素因数の和:1525

約数の個数: 54

約数和(自身を含む): 43002890

約数和(自身を除く): 24985990

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1489, 2420, 2978, 3025, 5956, 6050, 7445, 12100, 14890, 16379, 29780, 32758, 37225, 65516, 74450, 81895, 148900, 163790, 180169, 327580, 360338, 409475, 720676, 818950, 900845, 1637900, 1801690, 3603380, 4504225, 9008450, 18016900]

約数ペア:

[(1, 18016900), (2, 9008450), (4, 4504225), (5, 3603380), (10, 1801690), (11, 1637900), (20, 900845), (22, 818950), (25, 720676), (44, 409475), (50, 360338), (55, 327580), (100, 180169), (110, 163790), (121, 148900), (220, 81895), (242, 74450), (275, 65516), (484, 37225), (550, 32758), (605, 29780), (1100, 16379), (1210, 14890), (1489, 12100), (2420, 7445), (2978, 6050), (3025, 5956)]