19788228

素因数分解:

$2^2\times 3^2\times {\mathrm{523}}^1\times {\mathrm{1051}}^1$

素因数の和:1584

約数の個数: 36

約数和(自身を含む): 50163568

約数和(自身を除く): 30375340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 523, 1046, 1051, 1569, 2092, 2102, 3138, 3153, 4204, 4707, 6276, 6306, 9414, 9459, 12612, 18828, 18918, 37836, 549673, 1099346, 1649019, 2198692, 3298038, 4947057, 6596076, 9894114, 19788228]

約数ペア:

[(1, 19788228), (2, 9894114), (3, 6596076), (4, 4947057), (6, 3298038), (9, 2198692), (12, 1649019), (18, 1099346), (36, 549673), (523, 37836), (1046, 18918), (1051, 18828), (1569, 12612), (2092, 9459), (2102, 9414), (3138, 6306), (3153, 6276), (4204, 4707)]