19403124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 49580160

約数和(自身を除く): 30177036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2039, 2379, 3172, 4078, 4758, 6117, 8156, 9516, 12234, 24468, 26507, 53014, 79521, 106028, 124379, 159042, 248758, 318084, 373137, 497516, 746274, 1492548, 1616927, 3233854, 4850781, 6467708, 9701562, 19403124]

約数ペア:

[(1, 19403124), (2, 9701562), (3, 6467708), (4, 4850781), (6, 3233854), (12, 1616927), (13, 1492548), (26, 746274), (39, 497516), (52, 373137), (61, 318084), (78, 248758), (122, 159042), (156, 124379), (183, 106028), (244, 79521), (366, 53014), (732, 26507), (793, 24468), (1586, 12234), (2039, 9516), (2379, 8156), (3172, 6117), (4078, 4758)]