19005251632

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{64969}}^1$

素因数の和:65413

約数の個数: 40

約数和(自身を含む): 37703390400

約数和(自身を除く): 18698138768

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 389, 752, 778, 1556, 3112, 6224, 18283, 36566, 64969, 73132, 129938, 146264, 259876, 292528, 519752, 1039504, 3053543, 6107086, 12214172, 24428344, 25272941, 48856688, 50545882, 101091764, 202183528, 404367056, 1187828227, 2375656454, 4751312908, 9502625816, 19005251632]

約数ペア:

[(1, 19005251632), (2, 9502625816), (4, 4751312908), (8, 2375656454), (16, 1187828227), (47, 404367056), (94, 202183528), (188, 101091764), (376, 50545882), (389, 48856688), (752, 25272941), (778, 24428344), (1556, 12214172), (3112, 6107086), (6224, 3053543), (18283, 1039504), (36566, 519752), (64969, 292528), (73132, 259876), (129938, 146264)]