18506684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21410116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 809, 817, 1204, 1618, 1634, 3236, 3268, 5663, 5719, 11326, 11438, 15371, 22652, 22876, 30742, 34787, 61484, 69574, 107597, 139148, 215194, 243509, 430388, 487018, 660953, 974036, 1321906, 2643812, 4626671, 9253342, 18506684]

約数ペア:

[(1, 18506684), (2, 9253342), (4, 4626671), (7, 2643812), (14, 1321906), (19, 974036), (28, 660953), (38, 487018), (43, 430388), (76, 243509), (86, 215194), (133, 139148), (172, 107597), (266, 69574), (301, 61484), (532, 34787), (602, 30742), (809, 22876), (817, 22652), (1204, 15371), (1618, 11438), (1634, 11326), (3236, 5719), (3268, 5663)]