18205140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1259}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 33021420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1259, 1446, 2410, 2518, 2892, 3615, 3777, 4820, 5036, 6295, 7230, 7554, 12590, 14460, 15108, 18885, 25180, 37770, 75540, 303419, 606838, 910257, 1213676, 1517095, 1820514, 3034190, 3641028, 4551285, 6068380, 9102570, 18205140]

約数ペア:

[(1, 18205140), (2, 9102570), (3, 6068380), (4, 4551285), (5, 3641028), (6, 3034190), (10, 1820514), (12, 1517095), (15, 1213676), (20, 910257), (30, 606838), (60, 303419), (241, 75540), (482, 37770), (723, 25180), (964, 18885), (1205, 15108), (1259, 14460), (1446, 12590), (2410, 7554), (2518, 7230), (2892, 6295), (3615, 5036), (3777, 4820)]