18162404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 19093276

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 593, 806, 988, 1178, 1186, 1612, 2356, 2372, 7657, 7709, 11267, 15314, 15418, 18383, 22534, 30628, 30836, 36766, 45068, 73532, 146471, 238979, 292942, 349277, 477958, 585884, 698554, 955916, 1397108, 4540601, 9081202, 18162404]

約数ペア:

[(1, 18162404), (2, 9081202), (4, 4540601), (13, 1397108), (19, 955916), (26, 698554), (31, 585884), (38, 477958), (52, 349277), (62, 292942), (76, 238979), (124, 146471), (247, 73532), (403, 45068), (494, 36766), (589, 30836), (593, 30628), (806, 22534), (988, 18383), (1178, 15418), (1186, 15314), (1612, 11267), (2356, 7709), (2372, 7657)]