18983796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1667}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 48385344

約数和(自身を除く): 29401548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1667, 1898, 2847, 3334, 3796, 5001, 5694, 6668, 10002, 11388, 20004, 21671, 43342, 65013, 86684, 121691, 130026, 243382, 260052, 365073, 486764, 730146, 1460292, 1581983, 3163966, 4745949, 6327932, 9491898, 18983796]

約数ペア:

[(1, 18983796), (2, 9491898), (3, 6327932), (4, 4745949), (6, 3163966), (12, 1581983), (13, 1460292), (26, 730146), (39, 486764), (52, 365073), (73, 260052), (78, 243382), (146, 130026), (156, 121691), (219, 86684), (292, 65013), (438, 43342), (876, 21671), (949, 20004), (1667, 11388), (1898, 10002), (2847, 6668), (3334, 5694), (3796, 5001)]