18239916

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 44085888

約数和(自身を除く): 25845972

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 131, 164, 246, 262, 283, 393, 492, 524, 566, 786, 849, 1132, 1572, 1698, 3396, 5371, 10742, 11603, 16113, 21484, 23206, 32226, 34809, 37073, 46412, 64452, 69618, 74146, 111219, 139236, 148292, 222438, 444876, 1519993, 3039986, 4559979, 6079972, 9119958, 18239916]

約数ペア:

[(1, 18239916), (2, 9119958), (3, 6079972), (4, 4559979), (6, 3039986), (12, 1519993), (41, 444876), (82, 222438), (123, 148292), (131, 139236), (164, 111219), (246, 74146), (262, 69618), (283, 64452), (393, 46412), (492, 37073), (524, 34809), (566, 32226), (786, 23206), (849, 21484), (1132, 16113), (1572, 11603), (1698, 10742), (3396, 5371)]