18372690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9721}}^1$

素因数の和:9744

約数の個数: 64

約数和(自身を含む): 55998720

約数和(自身を除く): 37626030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9721, 19442, 29163, 48605, 58326, 68047, 87489, 97210, 136094, 145815, 174978, 204141, 262467, 291630, 340235, 408282, 437445, 524934, 612423, 680470, 874890, 1020705, 1224846, 1312335, 1837269, 2041410, 2624670, 3062115, 3674538, 6124230, 9186345, 18372690]

約数ペア:

[(1, 18372690), (2, 9186345), (3, 6124230), (5, 3674538), (6, 3062115), (7, 2624670), (9, 2041410), (10, 1837269), (14, 1312335), (15, 1224846), (18, 1020705), (21, 874890), (27, 680470), (30, 612423), (35, 524934), (42, 437445), (45, 408282), (54, 340235), (63, 291630), (70, 262467), (90, 204141), (105, 174978), (126, 145815), (135, 136094), (189, 97210), (210, 87489), (270, 68047), (315, 58326), (378, 48605), (630, 29163), (945, 19442), (1890, 9721)]