19241872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1271

約数の個数: 40

約数和(自身を含む): 40691840

約数和(自身を除く): 21449968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1171, 1264, 2054, 2342, 4108, 4684, 8216, 9368, 15223, 16432, 18736, 30446, 60892, 92509, 121784, 185018, 243568, 370036, 740072, 1202617, 1480144, 2405234, 4810468, 9620936, 19241872]

約数ペア:

[(1, 19241872), (2, 9620936), (4, 4810468), (8, 2405234), (13, 1480144), (16, 1202617), (26, 740072), (52, 370036), (79, 243568), (104, 185018), (158, 121784), (208, 92509), (316, 60892), (632, 30446), (1027, 18736), (1171, 16432), (1264, 15223), (2054, 9368), (2342, 8216), (4108, 4684)]